CN106814565A - Image processing system, control device and control method - Google Patents
Image processing system, control device and control method Download PDFInfo
- Publication number
- CN106814565A CN106814565A CN201510850177.5A CN201510850177A CN106814565A CN 106814565 A CN106814565 A CN 106814565A CN 201510850177 A CN201510850177 A CN 201510850177A CN 106814565 A CN106814565 A CN 106814565A
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- toner
- toner concentration
- concentration
- control unit
- printing
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-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
- G03G15/0856—Detection or control means for the developer level
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0894—Reconditioning of the developer unit, i.e. reusing or recycling parts of the unit, e.g. resealing of the unit before refilling with toner
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/55—Self-diagnostics; Malfunction or lifetime display
- G03G15/553—Monitoring or warning means for exhaustion or lifetime end of consumables, e.g. indication of insufficient copy sheet quantity for a job
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/55—Self-diagnostics; Malfunction or lifetime display
- G03G15/553—Monitoring or warning means for exhaustion or lifetime end of consumables, e.g. indication of insufficient copy sheet quantity for a job
- G03G15/556—Monitoring or warning means for exhaustion or lifetime end of consumables, e.g. indication of insufficient copy sheet quantity for a job for toner consumption, e.g. pixel counting, toner coverage detection or toner density measurement
Abstract
A kind of image processing system, control device and control method, it opens from first after printing is started and begins just to obtain printing quality high.Image processing system includes：Development section, the developer that storage is made up of toner and carrier, and toner is attached on image carrier and is developed；Toner replenishing portion, toner is fed to development section；Environmental sensor, at least one in measurement humidity and temperature；Toner concentration judging part, the measurement result based on environmental sensor judges target toner concentration；Toner discharges control unit, toner is attached on image carrier and discharge toner is forced from development section；And control unit, output based on environmental sensor judges target toner concentration, and toner is combined from the pressure discharge of development section and from the toner replenishing of toner supply portion, the toner concentration of development section is adjusted, so that toner concentration turns into target toner concentration.
Description
Technical field
The present invention relates to image processing system, control device and control method.
Background technology
The image processing system of electronic photo mode includes being formed in toner image on image carrier
Developing apparatus.Developing apparatus is attached on image carrier to be formed by the toner for making to be included in developer
Toner image.As a rule, developer uses the bi-component being made up of toner and carrier to show
Shadow agent.After being completed for printing, the toner consumed to developer supply.
For improving printing quality, it is important that the toner concentration to developer is adjusted.If
Toner concentration is relatively low, then print image and become the relatively low image of concentration, if toner concentration is higher,
Then printing image becomes the presence of the unsharp image that more toner photographic fog or toner disperse.General feelings
Under condition, after performing printing, toner is carried out in the lump in the toner consumed to developer supply dense
The regulation of degree.
It sometimes appear that pressroom more long every.For example, when being printed for the first time after day off,
In most cases, its last time printing was carried out before many days.If there is pressroom more long every,
Then according to circumstances, temperature or humidity can differ widely with last time printing.Optimal toner concentration according to
Temperature and humidity and change.If adjusting toning in the lump in the toner of supply consumption after performing printing
If agent concentration, then at least start first printing after printing not dense with optimal toner
Degree is carried out.
The content of the invention
(the invention technical problem to be solved)
The technical problem to be solved in the present invention is just to obtain printing quality high from first after printing starts
Amount.
(means for solving technical problem)
The present invention provides a kind of image processing system to be included：Development section, receives by toner and carrier structure
Into developer, and the toner is attached on image carrier and is developed；Toner replenishing portion,
Toner is fed to the development section；Environmental sensor, at least one in measurement humidity and temperature；Adjust
Toner concentration judging part, based on the measurement result of the environmental sensor, judges target toner concentration；
Toner discharges control unit, toner is attached on the image carrier and is forced from the development section
Discharge the toner；And control unit, the output based on the environmental sensor judges the target
Toner concentration, and toner is combined from the pressure of development section discharge and from the toner replenishing
The toner replenishing in portion, adjusts the toner concentration of the development section so that the toner concentration into
It is the target toner concentration.
The present invention provides a kind of control device, image forming part is controlled, described image forming portion
At least include development section and toner replenishing portion, what the development section storage was made up of toner and carrier
Developer, and the toner is attached on image carrier and is developed, the toner replenishing portion
Toner is fed to the development section, the control device includes：Toner concentration judging part, is based on
The measurement result of environmental sensor judges target toner concentration, the environmental sensor measurement humidity and
At least one in temperature；Toner discharge control unit, make toner be attached on the image carrier and from
The discharge toner is forced in the development section；And control unit, based on the environmental sensor
Output judges the target toner concentration, and combine toner from the pressure discharge of the development section with
From the toner replenishing in the toner replenishing portion, the toner concentration of the development section is adjusted, so that
The toner concentration turns into the target toner concentration.
The present invention provides a kind of control method to be included：Toner concentration judges step, based on environmentally sensitive
The measurement result of device judges target toner concentration；And toner concentration regulating step, based on described
The output of environmental sensor judges the target toner concentration, and toner is attached on image carrier
And the discharge toner is forced from the development section of storage carrier and the toner, and combine from
Toner replenishing portion feeds toner, so that the toner concentration of the development section is adjusted, so that described
Toner concentration turns into the target toner concentration, wherein, the toner replenishing portion is to described aobvious
Shadow portion feeds toner.
Brief description of the drawings
Fig. 1 is the block diagram of image processing system.
Fig. 2 is the figure of the composition for showing image forming part.
Fig. 3 is the figure for illustrating information of the storage in storage part.
Fig. 4 is the FBD of control unit.
Fig. 5 is the flow chart of the printing treatment of implementation method one.
Fig. 6 is the figure for illustrating information of the storage in storage part.
Fig. 7 is the flow chart for updating treatment.
Fig. 8 is the flow chart of the printing treatment of implementation method two.
Fig. 9 is the flow chart of toner concentration regulation treatment.
Description of reference numerals
The interface portion of 1 image processing system 10
The image of 20 image forming part 21 forms station
The static discharger of 211 photosensitive drums 212
213 developing apparatus 213a toner concentration sensors
The cleaning device of 214 transfer roll 215
The exposure portion of 22 fixing section 23
The storage part of 24 environmental sensor 30
The output voltage information of 31 target toner concentration information 32
33 force supply class information 34 to shelve time conditions information
The control unit of 35 humidity change condition information 40
41 order acquisition unit 42 starts judging part
The toner concentration adjustment portion of 43 object judgement portion 44
The measured value storage unit of 45 printing control unit 46
47 update the initially adjustment enforcement division of processing unit 48
S sheet materials
Specific embodiment
Below, the mode for carrying out an invention is illustrated while referring to the drawings.Additionally, in the accompanying drawings, to identical
Or equal parts mark identical reference.
(implementation method one)
Fig. 1 is the block diagram of image processing system 1.Image processing system 1 be duplicator, printer,
The device with printing functionality such as FAX.As shown in figure 1, image processing system 1 includes interface portion
10th, image forming part 20, storage part 30 and control unit 40.
Interface portion 10 is the device for receiving order from user.Interface portion 10 for example both can be by
The user interfaces such as button, switch, touch panel, or the communication interface with user terminal communication.
Communication interface both can be the connection of the equipment such as the network interfaces such as LAN interface, or USB interface
Interface.
Include acting initiation command from the order that user receives in interface portion 10.Action initiation command
It is the order for making image processing system 1 start action.For example, action initiation command is printing opening
Beginning order, power-on command restore order.Printing initiation command is to make image processing system 1
Start the order of printing.Power-on command is the life for starting the image processing system 1 in shutdown
Order.It is to make image processing system 1 multiple from park mode, standby mode or sleep state to restore order
Former order.Action initiation command is performed by interface portion 10.
Action initiation command can also be sent from interface portion 10 to the electric signal of control unit 40 (for example,
Power throughing signal, printing signal).Certainly, action initiation command can also be from user terminal hair
Deliver to the print job of image processing system 1.In the following description, action initiation command is from interface
Portion 10 is sent to the order of control unit 40.The form of order is not limited to particular form.For example,
The form of order both can be the pulse signal form that is sent by holding wire, or by
The data mode that data/address bus sends.
Additionally, the order that interface portion 10 is received from user is not limited to act initiation command.For example,
Can also make image including shutdown command, sleep command, standby command, sleep commands etc. in order
Forming apparatus 1 stop or abort actions order.In addition, in the order that interface portion 10 is received,
The State- output order of the internal state for order output image forming apparatus 1 can also be included, become
The setting change order of the more setting of image processing system 1.If control unit 40 via interface portion 10 from
User receives order (signal), then or by image processing system 1 shut down, or be transferred to it
Park mode.
Image forming part 20 is the printing element that image formation is carried out in electronic photo mode.Image shape
Both can be laser mode, or LED modes into the electronic photo mode that portion 20 uses.
In present embodiment, used as one, image forming part 20 is the printing list of monochromatic direct transfer-type
Unit.
Fig. 2 is of the composition of image forming part 20.Image forming part 20 includes that image forms station
21st, fixing section 22, exposure portion 23 and environmental sensor 24.In addition it is also possible to be, image shape
A part or entirety into portion 20 are loaded and unloaded relative to image processing system 1.For example, also may be used
To be, the entirety or a part that image forms station 21 are provided in the form of toner casket, relative to
Image processing system 1 is loaded and unloaded.
It is that toner image is transferred to the piece conveyed by conveying mechanism (not shown) that image forms station 21
The device of material S.Image forms station 21 includes photosensitive drums 211, static discharger 212, developing apparatus
213rd, transfer roll 214 and cleaning device 215.
Photosensitive drums 211 are the image carriers of drum type.Photosensitive drums 211 are for example to be coated with the circumferential surface
Machine photoreceptor (OPC：Organic Photoconductor, organic photoconductor) OPC drum.In sense
Static discharger 212, developing apparatus 213, transfer roll 214 are configured with the periphery of light drum 211
And cleaning device 215.
Static discharger 212 is the charged device for making photosensitive drums 211 powered.Static discharger 212 is for example
It is made up of charged roller.Static discharger 212 by be contacted with photosensitive drums 211 periphery and rotate come
Make the periphery uniform charged of photosensitive drums 211.
Developing apparatus 213 is the device that toner image is formed on the periphery of photosensitive drums 211.It is aobvious
Image device 213 supplies toner to the periphery of the photosensitive drums 211 for being formed with electrostatic latent image.Thus,
Toner is adsorbed on electrostatic latent image, and toner image is formed on the periphery of photosensitive drums 211.
Developing apparatus 213 is for example made up of developer reservoir, developer roll and toner container.Development
Agent container is the container for receiving developer.The developer for being accommodated in developer reservoir be comprising toner and
The two-component developing agent of carrier.Developer roll is that the toner that will be contained in developer is transmitted to photosensitive drums
211 roller.Developer reservoir and developer roll play the effect of development section.Developer roll is such as magnetic roller
(mag roller).Toner container is storage for being replenished to the container of the toner of developer.
Developing apparatus 213 performs toner discharging operation and toner according to the control of control unit 40
Supply is acted.Toner discharging operation is that the toner that will be contained in developer is expelled to image carrier
Action.Toner discharging operation for example by developing apparatus 213 to photosensitive drums 211 supply toner come
Realize.Toner replenishing action is by the action of toner replenishing to developer.Toner replenishing is acted
For example realized by acting toner hopper (toner replenishing portion), wherein, toner hopper
Toner in toner container is supplied to developer reservoir.
Developing apparatus 213 includes toner concentration sensor 213a.Toner concentration sensor 213a
It is the sensor of the toner concentration for measuring the developer in developing apparatus 213.For example, toner is dense
Degree sensor 213a is ATC (Auto Toner Control：Toner is automatically controlled) sensor.
The measuring method of toner concentration can be used known various methods.For example, toner concentration sensor
The change in magnetic flux density that 213a is changed based on the movement with two-component developing agent in developer reservoir
To measure toner concentration.
Additionally, the form of expression of toner concentration is not limited to the specific form of expression.For example, adjusting
Toner concentration can also be toner specific concentration.Toner specific concentration refers to two-component developing agent and toning
The mass ratio (weight ratio) or carrier of agent and the mass ratio (weight ratio) of toner.Toner ratio
The unit of concentration can also be mass percent concentration (weight percent concentration) [wt%].
Toner concentration sensor 213a includes being used for output voltage VOutput(hereinafter referred to as " output
Voltage VOutput") terminal and for input voltage VWith reference to(hereinafter referred to as " reference voltage VWith reference to”)
Terminal.Output voltage VOutputT is the voltage of the measured value for indicating toner concentration.Reference voltage VWith reference toIt is the voltage for being used as benchmark for toner concentration sensor 213a.For example, in reference voltage VWith reference to
It is middle to be input into the output for having power circuit (for example, constant voltage circuit).Can also be, power circuit
Output voltage can be adjusted by control unit 40.If reference voltage VWith reference toFluctuate up and down, then output voltage
VOutputAlso fluctuate up and down therewith.
The producer of image processing system 1 uses the developer (Start developer) for predicting toner concentration
To adjust reference voltage VWith reference to, so that output voltage VOutputBecome voltage set in advance.The adjustment
For example carried out when image processing system 1 is manufactured.If toner concentration sensor 213a is included in
In toner casket, then the adjustment is carried out when toner casket is manufactured.
Transfer roll 214 is that the toner image on the periphery of photosensitive drums 211 is transferred into sheet material S
Bias roller.By supply unit (not shown), the band with toner image is applied on transfer roll 214
The voltage of electric polarity opposite polarity.By the voltage of the opposite polarity, on the periphery of photosensitive drums 211
Toner image be transferred to sheet material S.
Cleaning device 215 is the device of the periphery for cleaning photosensitive drums 211.Cleaning device 215 is for example
It is made up of cleaning balde.Cleaning device 215 removes remaining toner from the periphery of photosensitive drums 211,
It is recycled to useless toner Cartridge.
Fixing section 22 is to make to be transferred to the device that the toner image of sheet material S is fixed on sheet material S.
Fixing section 22 is made up of heating roller and backer roll, and heating roller is heated to sheet material S, and backer roll is to sheet material
S applies pressure.The toner image for being transferred to sheet material S is fixed on sheet material S under heat and pressure.
Exposure portion 23 is the device that electrostatic latent image is formed on image carrier.When image forming part 20 is sharp
During the printing element of light mode, exposure portion 23 is made up of polygonal mirror, semiconductor laser etc..Work as figure
When as forming portion 20 being the printing element of LED modes, exposure portion 23 is by LED (Light Emitting
Diode：Light emitting diode) etc. constitute.
Exposure portion 23 is based on the control of control unit 40, is selected to the periphery of powered photosensitive drums 211
Property ground irradiation laser or LED light.Exposure portion 23 is for example based on the various letters sent from control unit 40
Number (for example, picture signal, laser driving control signal or timing signal), control is partly led
Body laser or LED's is luminous.When the mode of printing of image forming part 20 is laser mode,
Can be that exposure portion 23 also controls the rotation of polygonal mirror.Acted by making exposure portion 23, selectivity
Ground eliminates powered on the periphery of photosensitive drums 211.Thus, the shape on the periphery of photosensitive drums 211
Into electrostatic latent image.
The sensor of the state inside or around the measurement image processing system 1 of environmental sensor 24.
Environmental sensor 24 is such as temperature sensor or humidity sensor.In the present embodiment, ring
Border sensor 24 is humidity sensor.
Fig. 1 is returned to, storage part 30 is DRAM (Dynamic Random Access Memory：
Dynamic random access memory), SRAM (Static Random Access Memory：Static random
Access memory), flash memory, the storage device of the read-write data such as hard disk.Storage part 30
Data are read and write according to the control of control unit 40.
In addition it is also possible to be, image processing system 1 includes multiple storage parts 30.If for example, figure
Then can also be to deposit as the part for forming station 21 or the overall offer in the form of toner casket
Storage portion 30 is by being configured at the storage part of the main body of image processing system 1 and being configured at depositing for toner casket
Storage portion is constituted.As shown in figure 3, in storage part 30 record have target toner concentration information 31,
Output voltage information 32.
Target toner concentration information 31 is the toner concentration of the target for turning into concentration regulation.In system
When making image processing system 1 or manufacture toner casket, target toner concentration information 31 is protected in advance
In there is storage part 30.Fig. 3 shows that the data of target toner concentration information 31 are constituted.
Optimal toner concentration is different according to humidity.It is stored with target toner concentration information 31 many
The individual optimal toner concentration divided humidity under being divided with the humidity sets up the record for associating.
In the present embodiment, humidity is divided 1~5 five.This five humidity are respectively allocated
Target toner concentration (optimal toner concentration).In addition, it is illustrated that humidity divide and target toning
Agent concentration is only one.Humidity is divided can both be more than five, it is also possible to less than five.Each humidity
The scope of division can also be changed arbitrarily.In addition, target toner concentration can also be the value with diagram
Different values.
Output voltage information 32 is to show the output of toner concentration and toner concentration sensor 213a
Voltage VOutputRelation data.When image processing system 1 is manufactured, by output voltage information 32
It is pre-stored in storage part 30.Fig. 3 shows that the data of output voltage information 32 are constituted.
Output voltage V on toner concentration sensor 213aOutputEven if toner concentration is identical, but
If humidity is different, its value is also different.It is stored with output voltage information 32 multiple by humidity
Divide the output voltage values under being divided with the humidity and set up the record for associating.
One humidity is divided sets up relevant with multiple output voltage values.Multiple output voltage values correspond to
Each toner concentration (..., 9.0wt%, 9.5wt%, 10.0wt% ...).In addition, it is illustrated that
Humidity is divided and output voltage values are only one.Humidity is divided can both be more than five, it is also possible to be less than
Five.The scope that each humidity is divided can also be changed arbitrarily.In addition, output voltage values can also be
The value different from the value of diagram.Alternatively, it is also possible to be, toner concentration is not interval with 0.5wt%.
The interval of toner concentration can both be less than the interval of 0.5wt%, it is also possible to be greater than 0.5wt%'s
Interval.
Fig. 1 is returned to, control unit 40 is the control device (place of each several part for controlling image processing system 1
Reason device).Control unit 40 is for example made up of processor.Can also be that control unit 40 is by general micro-
Processor, special microprocessor (for example, image processing processor, signal transacting processor) etc. are micro-
Processor is constituted.At this moment, control unit 40 can be both made up of a microprocessor, it is also possible to by many
Individual microprocessor is constituted.Can also be that control unit 40 is the substrate for being provided with microprocessor.Also may be used
To be, image processing circuit and signal processing circuit are included in control unit 40.
Control unit 40 is realized including the various actions including printing treatment described later.For example, it is also possible to
It is that control unit 40 is stored in ROM (not shown) (Read Only by making computing device
Memory：Read-only storage) or RAM (Random Access Memory：Random access memory
Device) in program realize various actions.
Fig. 4 is the FBD of control unit 40.Control unit 40 has order acquisition unit 41, starts to sentence
Disconnected portion 42, object judgement portion 43, toner concentration adjustment portion 44, printing control unit 45, measured value
The function of storage unit 46.These functional blocks both can be software block, or hardware block.Will be
The action of these functional blocks is realized in narration in the explanation of printing treatment described later.
Then, the action to the image processing system 1 with this composition is illustrated.
If supplying power supply to image processing system 1, control unit 40 starts printing treatment.Additionally,
Passed by environment when last time printing is preserved in storage part 30 or when last time adjusts toner concentration
The value (humidity) of the measurement of sensor 24.In the following description, the measurement in storage part 30 will be stored in
Value is referred to as " last time humidity ".Below, the flow chart of reference picture 5 is illustrated to printing treatment.
Order acquisition unit 41 obtains the order of user from interface portion 10.Then, order acquisition unit 41
Judge whether the order obtained from interface portion 10 is action initiation command (ACT11).As described above,
Action initiation command is printing initiation command, power-on command, restores order etc. for making image shape
Start the order of action into device 1.When acquired order is not action initiation command or cannot
(ACT11 when ordering is obtained from interface portion 10：It is no), order acquisition unit 41 repeats ACT11, directly
Initiation command is acted to acquisition.
(the ACT11 when the order acquired in interface portion 10 is action initiation command：It is), start
Judging part 42 judges whether the current state of image processing system 1 meets opening for toner concentration regulation
Primordium standard (ACT12).Starting benchmark can arbitrarily be set by the designer of image processing system 1.Open
Whether primordium standard can also be change of such as humidity from after last time humidity more than threshold value set in advance.
Start judging part 42 to be for example handled as follows.
First, start judging part 42 and obtain what is remeasured after order is obtained from environmental sensor 24
Humidity (hereinafter referred to as " current humidity ").Then, start judging part 42 calculate last time humidity with
The absolute value (hereinafter simply referred to as " humidity change ") of the difference of current humidity.Then, when temperature becomes
Change during more than threshold value set in advance, start judging part 42 and be judged as that the present situation has met beginning base
It is accurate.
(the ACT12 when being unsatisfactory for starting benchmark：It is no), control unit 40 enters the treatment of ACT15.
(the ACT12 when beginning benchmark is met：It is), object judgement portion 43 judges target toner concentration
(ACT13).For example, object judgement portion 43 is dense to judge target toner by performing following treatment
Degree.
First, object judgement portion 43 obtains current humidity from environmental sensor 24.Then, target is sentenced
Current humidity is checked by the target toner concentration information 31 shown in Fig. 3 by disconnected portion 43, judges
Target toner concentration.For example, if current humidity is 50%RH, object judgement portion 43 is based on
Target toner concentration information 31, is judged as that target toner concentration is 9.5wt%.
In addition it is also possible to be, the target toner concentration that object judgement portion 43 obtains is to be converted into phase
When the value (hereinafter referred to as " target voltage ") of the output voltage values in toner concentration sensor 213a.
In this case, or, object judgement portion 43 uses the output voltage information shown in Fig. 3
32 and judge target voltage.For example, it is also possible to be, object judgement portion 43 believes by output voltage
Current humidity and target toner concentration are checked in breath 32, target voltage is judged.If current humidity
It is 50%RH, and target toner concentration is 9.5wt%, then object judgement portion 43 is based on output electricity
Pressure information 32, is judged as that target voltage is 2.46V.Additionally, target voltage can be considered as into target toning
One kind of agent concentration.
Fig. 5 is returned to, toner concentration adjustment portion 44 is adjusted to the toner concentration of developer, makes
It is changed into target toner concentration (ACT14).For example, toner concentration adjustment portion 44 is by performing
Hereinafter process to adjust toner concentration.
First, toner concentration adjustment portion 44 obtains developer and works as from toner concentration sensor 213a
Preceding toner concentration (hereinafter referred to as " current toner concentration ").Then, toner concentration is adjusted
The current toner concentration in 44 pairs, section portion and target toner concentration are compared.When current toner is dense
When degree is higher than target toner concentration, toner concentration adjustment portion 44 makes developing apparatus 213 perform tune
Toner discharging operation.When current toner concentration is less than target toner concentration, toner concentration is adjusted
Section portion 44 makes developing apparatus 213 perform toner replenishing action.Toner concentration adjustment portion 44 continues
Toner discharging operation and toner replenishing are acted, until current toner concentration is dense from target toner
Degree falls into a range of concentration.
Then, printing control unit 45 judges whether acquired order in ACT11 is that printing starts
Order (ACT15).(the ACT15 when acquired order in ACT11 is not printing initiation command：
It is no), control unit 40 returns to the treatment of ACT11.When acquired order in ACT11 is printing
(ACT15 during initiation command：Be), printing control unit 45 control image forming part 20 and in sheet material S
Upper printing image (ACT16).If being completed for printing, then measured value storage unit 46 is by environmental sensor
24 measured value (current humidity) is stored in (ACT17) in storage part 30 as last time humidity.Protect
Deposit if completion, then control unit 40 returns to the treatment of ACT11, waits Wait Order acquisition unit 41 again
Acquisition acts initiation command.
According to present embodiment, before printing control unit 45 starts printing, toner concentration regulation
Portion 44 adjusts the toner concentration of developer.Thus, after printing initiation command is obtained, image
Forming apparatus 1 is just printed being printed since first with optimal toner concentration.
Implementation method two
The toner included in developer is deteriorated with the time.For a long time do not printing or be carried out continuously low figure
Printing etc. of image planes product, it is long-term do not consume the toner included in developer in the case of, toner is bad
Change and printing quality decline.All there are most image processing systems toner generation patterns to be used as toning
The solution of agent deterioration.Toner generation patterns refer to, by big in the case where image is not formed
The toner included in amount consumption developer, the toner in developer is replaced by the mould of new toner
Formula.In implementation method two, toner concentration is adjusted using the treatment of generation patterns.Below, it is right
The image processing system 1 of implementation method two is illustrated.
As shown in figure 1, image processing system 1 includes interface portion 10, image forming part 20, storage
Portion 30 and control unit 40.The composition of interface portion 10 and image forming part 20 and the phase of implementation method one
Together, therefore omit the description.
Identical with implementation method one, storage part 30 is the storage device that can read and write data.In storage
In portion 30, in addition to target toner concentration information 31 and output voltage information 32, such as Fig. 6
Shown, the pressure that is also stored with feeds class information 33, shelves time conditions information 34 and humidity change
Change conditional information 35.Target toner concentration information 31 and output voltage information 32 and implementation method one
It is identical.
The threshold value for forcing supply class information 33 to be indicated for being used in the case where supply pattern is forced is (strong
System supply grade) information.Pressure supply pattern refers to, in the image of continuous printing hi-vision area
In the case of drastically declining Deng toner concentration, interrupt printing and force supply toner to developer
Pattern.In printing process, if toner concentration is less than supply grade is forced, image forms dress
Put 1 interruption printing and start and force supply pattern.In the present embodiment, pressure supply grade edge
For toner concentration regulation treatment.Toner concentration regulation treatment is explained below.
Fig. 6 shows to force one of the data composition of supply class information 33.Forcing supply grade is
Divided and different values for each humidity.Humidity is divided and target toner concentration information 31 and defeated
The humidity division for going out information of voltage 32 is engaged.That is, humidity is divided into 1~5 five.To this five
Humidity is respectively allocated as the toner concentration for forcing supply grade.In addition, it is illustrated that humidity draw
Divide and force supply grade to be only one.Humidity is divided can both be more than five, it is also possible to less than five.
In addition, it can also be the values different from the value of diagram to force supply grade.
The toner generation patterns of present embodiment have multiple execution grades, in multiple performs grades
The replacing amount of toner is different.The image processing system 1 of present embodiment can not only according to pressroom every
The size of (shelving the time), moreover it is possible to which toner generation patterns are changed according to the size that humidity changes
Perform grade.Which kind of grade to perform toner generation patterns with is by shelving the He of time conditions information 34
The regulation of humidity change condition information 35.
Fig. 6 shows to shelve one of time conditions information 34.Deposited in time conditions information 34 is shelved
Contain the multiple records time of shelving and more New r4 set up and is associated.The time of shelving is from last time printing
Subtract what is obtained after current time Ta in finish time (hereinafter referred to as " moment last time ") Tb.
A, B, C in figure are the time.
More New r4 is the replacing amount divided rank to toner.As grade increases, toner
Replacing amount also becomes big.For example, changing the toner equivalent to 0.5wt% in grade 1.In grade 2
Middle toner of the replacing equivalent to 1.0wt%.The toner equivalent to 1.5wt% is changed in grade 3.
Additionally, being changed without toner in grade 0.
Fig. 6 shows that the data of humidity change condition information 35 are constituted.In humidity change condition
Be stored with multiple records set up humidity change and more New r4 and associate in information 35.Humidity changes
It is the absolute value of the difference of last time humidity Mb and current humidity Ma.D, E, F in figure are humidity.
More New r4 is identical with the more New r4 for shelving time conditions information 34.
Identical with implementation method one, control unit 40 is the processing units such as processor.Fig. 4 is control unit
40 FBD.Except order acquisition unit 41, start judging part 42, object judgement portion 43, tune
Outside toner concentration adjustment portion 44, printing control unit 45, the function of measured value storage unit 46, control unit
40 also have the function of updating processing unit 47.Update processing unit 47 and play toner discharge control unit
Effect.
Then, the action to the image processing system 1 with this composition is illustrated.
The action of image processing system 1 is divided into renewal treatment and printing treatment.Explanation renewal treatment first.
After receiving the order for starting toner generation patterns, control unit 40 performs renewal treatment.Toning
Agent generation patterns start in the case where there：For example, when image processing system 1 is in idle condition (not
Perform the state of printing treatment) when, control unit 40 is judged as having met opening for toner generation patterns
Dynamic condition.Or, toner generation patterns start in the following way：It is to need to update according to content
The output of the image processing system 1 of toner, user interface portion 10.
Additionally, image processing system 1 includes timer (not shown).Control unit 40 can be from timer
Obtain current time.In addition, preserving printing (last time finish time of last time in storage part 30
Moment).Below, the flow chart of reference picture 7 is illustrated to renewal treatment.
Update processing unit 47 and judge more New r4 (ACT21).For example, update processing unit 47 passing through
Following treatment is performed to judge more New r4.
First, update processing unit 47 and obtain current time Ta from timer.Then, processing unit is updated
47 are calculated from last time printing based on current time Ta and the moment last time Tb being stored in storage part 30
Elapsed time (shelving the time (Tb-Ta)) afterwards.Then, processing unit 47 is updated by such as Fig. 6
It is shown to shelve check in time conditions information 34 shelve the time (Tb-Ta) and judge more New r4.
In addition, update processing unit 47 from environmental sensor 24 reacquire measured value (below, with enter
It is identical during row printing treatment, referred to as " current humidity ") Ma.Then, processing unit 47 is updated to be based on
Current humidity Ma and the last time humidity Mb being stored in storage part 30 calculate wet from after last time printing
Degree change (| Mb-Ma |).Then, update processing unit 47 and change bar by the humidity shown in Fig. 6
Humidity change (| Mb-Ma |) is checked in part information 35 to judge more New r4.
When the more New r4 under the more New r4 and damp condition under shelving time conditions is different brackets
When, update processing unit 47 will wherein higher level as more New r4.
Return Fig. 7, update processing unit 47 judge the more New r4 judged in ACT21 whether be
Grade 0 (ACT21).(the ACT22 when more New r4 is grade 0：It is), update processing unit
47 terminate to update the replacing processed without carrying out toner.
When more New r4 is not grade 0, i.e., (the ACT22 when more New r4 is grade 1~3：
It is no), update processing unit 47 and the treatment for changing toner is performed according to more New r4.Specifically, more
New processing unit 47 performs following treatment.
First, updating processing unit 47 makes developing apparatus 213 start toner discharging operation (ACT23).
At this moment, toner amount of the discharge of processing unit 47 corresponding to more New r4 is updated.If for example, updated
Grade is grade 1, then updating processing unit 47 makes developing apparatus 213 discharge the tune equivalent to 0.5wt%
Toner.If more New r4 is grade 2, updating processing unit 47 makes its discharge equivalent to 1.0wt%
Toner.If more New r4 be grade 3, update processing unit 47 make its discharge equivalent to
The toner of 1.5wt%.
Then, update processing unit 47 and judge whether discharged corresponding to the toner amount of more New r4
Into (ACT24).(the ACT24 when discharge is not completed also：It is no), update processing unit 47 and repeat ACT24,
Until discharge is completed.
(the ACT24 when discharge has been completed：It is), updating processing unit 47 starts developing apparatus 213
Toner replenishing acts (ACT25).At this moment, updating processing unit 47 makes its supply correspond to renewal etc.
The toner amount of level.For example, if more New r4 is grade 1, updating processing unit 47 makes development
Device 213 feeds the toner equivalent to 0.5wt%.If more New r4 is grade 2, update
Processing unit 47 makes its toner of the supply equivalent to 1.0wt%.If more New r4 is grade 3,
Updating processing unit 47 makes its toner of the supply equivalent to 1.5wt%.
Then, update processing unit 47 and judge whether fed corresponding to the toner amount of more New r4
Into (ACT26).(the ACT26 when supply is not completed also：It is no), update processing unit 47 and repeat ACT26,
Until completing to feed.(the ACT26 when supply has been completed：It is), update processing unit 47 and terminate to update
Treatment.
Then, printing treatment is illustrated.After to the supply power supply of image processing system 1, start printing treatment.
It is identical with implementation method one, last time humidity is preserved in storage part 30.Below, reference picture 8
Flow chart is illustrated to printing treatment.
Order acquisition unit 41 obtains the order of user from interface portion 10.Then, order acquisition unit 41
Judge whether the order acquired in interface portion 10 is action initiation command (ACT31).When acquired
Order be not action initiation command or cannot from interface portion 10 obtain order when (ACT31：
It is no), order acquisition unit 41 repeats ACT31, until acquisition acts initiation command.
(the ACT31 when the order acquired in interface portion 10 is action initiation command：It is), start
Judging part 42 judges whether the current state of image processing system 1 meets opening for toner concentration regulation
Primordium standard (ACT32).Identical with implementation method one, it can also be for example wet from last time to start benchmark
Whether the humidity change after degree is more than threshold value set in advance.(the ACT32 when being unsatisfactory for starting benchmark：
It is no), control unit 40 enters the treatment of ACT34.
(the ACT32 when beginning benchmark is met：It is), control unit 40 starts at toner concentration regulation
Reason (ACT33).Fig. 9 is the flow chart of toner concentration regulation treatment.Below, reference picture 9
Flow chart is illustrated to toner concentration regulation treatment.
Object judgement portion 43 judges target toner concentration and forces supply grade (ACT331).Example
Such as, object judgement portion 43 judges target toner concentration and forces to feed by performing following treatment
Grade.
First, object judgement portion 43 obtains current humidity from environmental sensor 24.Then, target is sentenced
Disconnected portion 43 is sentenced by checking current humidity in the target toner concentration information 31 shown in Fig. 3
Disconnected target toner concentration.And then, object judgement portion 43 is by pressure supply shown in Fig. 6 etc.
Current humidity is checked in level information 33 to judge to force supply grade.If for example, current humidity
It is 40%RH, then object judgement portion 43 is judged as target toner concentration for 10.0wt%, forces to mend
It is 9.0wt% to grade.
Fig. 9 is returned to, toner concentration adjustment portion 44 judges whether current toner concentration is mended less than pressure
Give grade (ACT332).When current toner concentration is less than (ACT332 when forcing supply grade：
It is), toner concentration adjustment portion 44 enters the treatment of ACT337.
When current toner concentration is higher than (ACT332 when forcing supply grade：It is no), toner concentration
Adjustment portion 44 makes renewal processing unit 47 start renewal treatment (ACT333).Can also start
Start renewal treatment before toner concentration regulation treatment.Treatment is updated with toner concentration regulation treatment
Perform simultaneously.
Toner concentration adjustment portion 44 judges whether renewal treatment terminates (ACT334).At renewal
(ACT334 at the end of managing：It is), toner concentration adjustment portion 44 terminates toner concentration regulation
Treatment.
When renewal treatment also not at the end of (ACT334：It is no), toner concentration adjustment portion 44 judges
Whether current toner concentration is less than pressure supply grade (ACT335).When current toner concentration is high
(ACT335 when supply grade is forced：It is no), toner concentration adjustment portion 44 returns to ACT334
Treatment.
When current toner concentration is less than (ACT335 when forcing supply grade：It is), toner concentration
The forced termination renewal of adjustment portion 44 processes (ACT336).Then, toner concentration adjustment portion 44 makes
Developing apparatus 213 starts toner replenishing action (ACT337).Toner concentration adjustment portion 44 after
Continuous toner replenishing action, until current toner concentration falls into certain limit from target toner concentration
Interior concentration.
Then, toner concentration adjustment portion 44 judges whether to have completed the supply (ACT338) of toner.
(the ACT338 when the supply of toner is not completed also：It is no), toner concentration adjustment portion 44 is repeated
ACT338, the supply until completing toner.(the ACT338 when the supply of toner has been completed：
It is), toner concentration adjustment portion 44 terminates toner concentration regulation treatment.
The flow of Fig. 8 is returned to, whether printing control unit 45 judges acquired order in ACT31
It is printing initiation command (ACT34).When acquired order in ACT31 is not that printing starts life
(ACT34 when making：It is no), control unit 40 returns to the treatment of ACT31.When being obtained in ACT31
(the ACT34 when order for taking is printing initiation command：It is), the control image of printing control unit 45 is formed
Portion 20 and on sheet material S print image (ACT35).If being completed for printing, then measured value storage unit
The measured value (current humidity) of environmental sensor 24 is stored in storage part 30 by 46 as last time humidity
In (ACT36).At this moment, or, when measured value storage unit 46 was using current time as last time
Carve and be stored in storage part 30.Preserve if completing, control unit 40 returns to the treatment of ACT31,
Deng Wait Order acquisition unit 41, acquisition acts initiation command again.
According to present embodiment, toner concentration adjustment portion 44 is same when toner generation patterns are performed
The toner concentration regulation of Shi Zhihang developers.Toner generation patterns are carried out before printing is performed.Cause
And, obtain printing initiation command after, image processing system 1 can since first print just with
Optimal toner concentration is printed.
In addition, most image processing systems have all had the function of toner generation patterns.Therefore, adjust
The action of toner generation patterns has obtained multiple authentication, and its security is high.Thus, image forms dress
Put 1 can not only realize with the identical effect of implementation method one, and its security is higher.Also, it is logical
Cross using toner generation patterns, exploitation operation can be cut down.Therefore, image processing system 1 is realized
Cost it is relatively low.
In addition, under toner generation patterns, toner concentration adjustment portion 44 judges toner concentration
Whether less than pressure supply grade.Then, when toner concentration is less than supply grade is forced, toning
The forced termination toner generation patterns of agent concentration adjustment portion 44, and it is transferred to toner replenishing action.
Even with toner generation patterns, when toner concentration is adjusted, toner renewal may not be also performed
The all process steps of pattern.Thus, even with toner generation patterns, image processing system 1 also without
Need to devote a tremendous amount of time to adjust toner concentration.
Implementation method three
Some image processing systems include AJ patterns (Adjusting Mode：Adjustment modes).AJ moulds
Formula refers to that image processing system adjust automatically is input into the reference voltage V of toner concentration sensorGinseng ExamineSo that the output voltage V of toner concentration sensorOutputPattern as output set in advance.AJ
Pattern adjust automatically reference voltage V using Start developerWith reference to.Start developer is adjusted in advance
The developer of set toner concentration.Perform AJ patterns after, in developing apparatus 213 still in
It is put into the state of Start developer.Therefore, after performing AJ patterns, printing at the beginning according to temperature,
Humidity condition and do not printed with optimal toner concentration.In implementation method three, perform
Printing after AJ patterns is also opened from first and begins just obtain printing quality high.Below, to embodiment party
The image processing system 1 of formula three is illustrated.
As shown in figure 1, image processing system 1 includes interface portion 10, image forming part 20, storage
Portion 30 and control unit 40.The composition of image forming part 20 and storage part 30 and implementation method one or
Two is identical, therefore omits the description.
Identical with implementation method one and two, interface portion 10 is the device for receiving order from user.
Include acting initiation command from the order that user receives in interface portion 10.In implementation method three,
Action initiation command includes that concentration sensor adjusts order.Concentration sensor adjustment order is to make image shape
The order of AJ patterns is performed into device 1.In the following description, concentration sensor adjustment order be from
Interface portion 10 is sent to the order of control unit.The form of order both can be pulse signal form,
It can be data mode.
Identical with implementation method one and two, control unit 40 is the processing units such as processor.Fig. 4 is control
The FBD in portion processed 40.Except order acquisition unit 41, start judging part 42, object judgement portion 43,
Toner concentration adjustment portion 44, printing control unit 45, measured value storage unit 46 and renewal processing unit
Outside 47 function, control unit 40 also has the function of initial adjustment enforcement division 48.
Then, the action to the image processing system 1 with this composition is illustrated.
After control unit 40 receives order from interface portion 10, initial adjustment treatment is performed.Additionally, with
In lower explanation, Start developer is placed in advance in the developer reservoir of developing apparatus 213.At this
In implementation method, the toner concentration of Start developer is adjusted to 9.5wt%.For example, in manufacture
Initial adjustment treatment is performed during image processing system 1 or when image processing system 1 dispatches from the factory.Pass through
In the following manner performs initial adjustment treatment.
Order acquisition unit 41 judges whether the order acquired in interface portion 10 is concentration sensor adjustment
Order.When the order acquired in interface portion 10 is not concentration sensor adjustment order, control unit
40 terminate initial adjustment treatment.
When the order acquired in interface portion 10 is concentration sensor adjustment order, initial adjustment is held
Row portion 48 performs initial adjustment (AJ patterns) to toner concentration sensor 213a.For example, toning
Agent concentration adjustment portion 44 adjusts the output of toner concentration sensor 213a by performing following treatment
Voltage VOutput。
First, initial adjustment enforcement division 48 obtains current humidity from environmental sensor 24.Then, adjust
Toner concentration adjustment portion 44 checks current humidity by the output voltage information 32 shown in Fig. 3,
The voltage that should be exported to judge the script of toner concentration adjustment portion 44 (hereinafter referred to as " adjusts mesh
Mark voltage ").If for example, current humidity be 50%RH, due to the toner of Start developer
Concentration is 9.5wt%, therefore toner concentration adjustment portion 44 is judged as that adjustment target voltage is 2.46V.
Afterwards, initial adjustment enforcement division 48 obtains output voltage V from toner concentration sensor 213aOutput.Then, the initial enforcement division 48 that adjusts is by output voltage VOutputIt is compared with adjustment target voltage.
As output voltage VOutputWhen falling into a range of voltage from adjustment target voltage, initial adjustment is performed
Portion 48 is into the regulation treatment of ensuing toner concentration without being held to toner concentration sensor 213a
The initial adjustment of row.
As output voltage VOutputWhen not falling into a range of voltage from adjustment target voltage, toner
The adjustment reference voltage of concentration adjustment portion 44 VWith reference to, so that output voltage VOutputIn the range of falling into.For example,
Initial adjustment enforcement division 48 is connected with reference voltage V by adjustmentWith reference toThe power circuit of input terminal
Export to adjust reference voltage VWith reference to。
If the initial adjustment of toner concentration sensor 213a is completed, then toner concentration adjustment portion
44 perform toner concentration regulation treatment.Toner concentration regulation treatment both can be content and Fig. 9
The toner concentration regulation treatment identical treatment of shown implementation method two, or content and figure
Concentration regulation treatment (ACT13, ACT12) identical treatment of the implementation method one shown in 5.
Then, printing control unit 45 controls image forming part 20 and prints image on sheet material S.
If being completed for printing, then measured value storage unit 46 is by the measured value (current humidity) of environmental sensor 24
It is stored in storage part 30 as last time humidity.Can also be, when measured value storage unit 46 will be current
Quarter is also stored in storage part 30 in the lump.Preserve if completing, then control unit 40 terminates initial adjustment
Treatment.
According to present embodiment, because image processing system 1 performs toner after AJ patterns are performed
Concentration regulation is processed, therefore, after AJ patterns are performed, height can be just obtained being printed since first
Printing quality.
Additionally, above-mentioned implementation method is one, various changes and application can be carried out.
For example, illustrating that image forming part 20 is direct transfer-type in present embodiment one to three
The mode of single color printing unit.However, the mode of printing of image forming part 20 is not limited to this.
For example, image forming part 20 both can be intermediate transfer formula color printed units, or in
Between transfer-type single color printing unit.In addition, image forming part 20 can also be block form (directly
Transfer-type) color printed units.
In addition, the toner that image forming part 20 is used is not limited to permanent toner
(permanent toner).The toner that image forming part 20 is used can also be colour killing toner.
Printed by with optimal toner concentration, (perform when colour killing is processed apparent disappears colour killing performance
Color) it is improved.Additionally, colour killing toner refers to process eliminable ink by colour killing.Example
Such as, colour killing toner is by being heated to more than predetermined temperature and the toner of colour killing.Forever
Even if toner refers to implement the toner (that is, common toner) that colour killing processes also not colour killing.
In addition, illustrating that image carrier is the mode of photosensitive drums 211 in implementation method one to three, but carry
As body is not limited to photosensitive drums 211.Image carrier can also be sensitive tape.
In addition, in toner concentration regulation treatment (Fig. 9) of implementation method two, when developer
Toner concentration is less than (ACT335 when forcing to feed grade：It is), toner concentration adjustment portion 44
Stop renewal treatment (ACT336).But, stop update treatment toner concentration (threshold value) and
It is not limited to force supply grade.The toner concentration (threshold value) for stopping updating treatment can also be the
The toner concentration (threshold value) different from forcing supply grade such as one supply grade, second supply grade.
In addition, the target toner concentration information 31 shown in Fig. 3 is remembered in target toner concentration column
Weight percent concentration is recorded.But, the target recorded in target toner concentration information 31 is adjusted
Toner concentration can also need not to be weight percent concentration.For example, record is in target toner concentration letter
Target toner concentration in breath 31 can also directly record target voltage.Pressure shown in Fig. 6 is mended
Pressure supply grade to class information 33 is similarly such.
In addition, in implementation method one to three, environmental sensor 24 is humidity sensor, but environment
Sensor 24 can also be temperature sensor.In this case, in target toner concentration information
31st, output voltage information 32, pressure feeds class information 33 and shelves time conditions information 34
Described in humidity divide be replaced into temperature division.In addition, the humidity of humidity change condition information 35
Change is replaced into temperature change.Humidity change condition information 35 can also change temperature change condition letter into
Breath.In addition, control unit 40 is based on the treatment of the measured value execution of humidity sensor (for example, implementing
ACT12~14 of mode one, the ACT21 of implementation method two, 32,33, the AJ of implementation method three
Pattern, toner concentration regulation treatment etc.) it is replaced into the place that the measured value based on temperature sensor is performed
Reason.
The control device (for example, control unit 40) of the control image processing system 1 of present embodiment was both
Can be realized by special computer system, it is also possible to realized by common computer system.Example
As, or, will be used for realize above-mentioned control unit 40 each function program storage and distribution exist
In the computer readable recording medium storing program for performing such as CD, semiconductor memory, tape, floppy disk, by by the journey
Sequence is installed in a computer and makes it perform the program to constitute control device.Control device both can be
The inner computer (processor) of image processing system 1, or image processing system 1 it is outer
Portion's computer.Alternatively, it is also possible to be, by server of the said procedure storage on the networks such as internet
In the disk unit that device possesses, and it is first-class to download to computer.Alternatively, it is also possible to be, lead to
Cross OS (Operating System：Operating system) and the cooperation of application software realize above-mentioned each work(
Energy.In this case, both the part beyond OS can be stored and is distributed in media as well, also may be used
Stored in server unit with by the part beyond OS, and it is first-class to download to computer.
Embodiments of the present invention are illustrated, but these implementation methods are to propose as an example
, it is not used to limit the scope of invention.These new implementations can be implemented with other various forms
Mode, without departing from the spirit and scope of the invention, can carry out various omissions, displacement, change.This
A little implementation methods and its deformation are included in the scope of the present invention, objective, and are included in and are recorded in
Invention in claims and its it is equivalent within the scope of.
Claims (10)
1. a kind of image processing system, it is characterised in that including：
Development section, the developer that storage is made up of toner and carrier, and make the toner
It is attached on image carrier and is developed；
Toner replenishing portion, toner is fed to the development section；
Environmental sensor, at least one in measurement humidity and temperature；
Toner concentration judging part, based on the measurement result of the environmental sensor, judges mesh
Mark toner concentration；
Toner discharges control unit, toner is attached on the image carrier and is shown from described
The discharge toner is forced in shadow portion；And
Control unit, the output based on the environmental sensor judges the target toner concentration,
And toner is combined from the pressure discharge of the development section and from the tune in the toner replenishing portion
Toner feeds, and adjusts the toner concentration of the development section so that the toner concentration into
It is the target toner concentration.
2. image processing system according to claim 1, it is characterised in that
The toner discharge control of toner discharge control unit is carried out when generation patterns are performed,
The generation patterns are to adhere to toner in the case where beginning benchmark set in advance is met
The pattern of the discharge toner is forced on image carrier,
The toner concentration regulation of the control unit is carried out when generation patterns are performed.
3. image processing system according to claim 1, it is characterised in that
The toner concentration regulation of the control unit is performed based on action initiation command, described dynamic
Making initiation command includes printing initiation command, power-on command, restores order and concentration
At least one of sensor adjustment order.
4. image processing system according to claim 1, it is characterised in that
Environmental sensor is humidity sensor,
The humidity that the toner concentration judging part is based on as measured by the humidity sensor is sentenced
Break the target toner concentration.
5. image processing system according to claim 1, it is characterised in that
Described image forming apparatus also includes toner concentration sensor, and the toner concentration is passed
Sensor measures the toner concentration of the developer,
Institute is being less than using the toner concentration measured by the toner concentration sensor
In the case of stating target toner concentration, the control unit controls the development section and the row of pressure
Go out after toner, control the toner replenishing portion and adjusted to described in the developer supply
Toner, until the toner concentration turns into the target toner concentration.
6. image processing system according to claim 1, it is characterised in that
Described image forming apparatus also includes：
Printing control unit, controls image forming part and performs printing, and described image forming portion is extremely
Include development section and toner replenishing portion less；
Order acquisition unit, acquisition action initiation command, the action initiation command includes printing
In initiation command, power-on command, recovery order and concentration sensor adjustment order extremely
It is few one；And
Start judging part, after order acquisition unit acquisition action initiation command, described
Before printing control unit performs first printing, the beginning judging part is according to set in advance
Start benchmark, judge whether to start the regulation of toner concentration,
When judging part is judged as meeting the beginning benchmark by described, the control unit
Start the regulation of the toner concentration, when judging part is judged as being unsatisfactory for institute by described
When stating beginning benchmark, the control unit does not start the regulation of the toner concentration.
7. image processing system according to claim 6, it is characterised in that
Described image forming apparatus also includes measured value storage unit, and the measured value storage unit is in knot
The measured value of the environmental sensor is preserved after beam printing,
It is described to start to sentence before the printing control unit forms image on first sheet material
Disconnected portion obtains the measured value of the environmental sensor, and acquisition is stored in the measured value and preserves
The difference of measured value and acquired measured value before formation image on first sheet material in portion
Point, when the difference is more than threshold value set in advance, the beginning judging part is judged as
Meet the beginning benchmark.
8. image processing system according to claim 1, it is characterised in that
The toner is colour killing toner.
9. a kind of control device, is controlled to image forming part, and described image forming portion at least includes
Development section and toner replenishing portion, it is aobvious that the development section storage is made up of toner and carrier
Shadow agent, and the toner is attached on image carrier and is developed, the toner is mended
To portion toner is fed to the development section, it is characterised in that
The control device includes：
Toner concentration judging part, the measurement result based on environmental sensor judges that target is mixed colours
Agent concentration, at least one in the environmental sensor measurement humidity and temperature；
Toner discharges control unit, toner is attached on the image carrier and is shown from described
The discharge toner is forced in shadow portion；And
Control unit, the output based on the environmental sensor judges the target toner concentration,
And toner is combined from the pressure discharge of the development section and from the tune in the toner replenishing portion
Toner feeds, and adjusts the toner concentration of the development section so that the toner concentration into
It is the target toner concentration.
10. a kind of control method, it is characterised in that including：
Toner concentration judges step, and the measurement result based on environmental sensor judges that target is adjusted
Toner concentration；And
Toner concentration regulating step, the output based on the environmental sensor judges the mesh
Mark toner concentration, and toner is attached on image carrier and from storage carrier and the tune
The discharge toner is forced in the development section of toner, and is combined from toner replenishing portion benefit
To toner, so that the toner concentration of the development section is adjusted, so that the toner is dense
Degree turns into the target toner concentration, wherein, the toner replenishing portion is to the development
Portion feeds toner.
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| US5915143A (en) * | 1996-07-03 | 1999-06-22 | Ricoh Company, Ltd. | Image forming apparatus and method for automatically adjusting toner density in response to humidity variations |
| JP2001092236A (en) * | 1999-09-22 | 2001-04-06 | Sharp Corp | Image-forming device |
| JP2005250116A (en) * | 2004-03-04 | 2005-09-15 | Sharp Corp | Developing device, image forming apparatus having the device and developing device control method |
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| CN101419421A (en) * | 2007-10-24 | 2009-04-29 | 夏普株式会社 | Image stabilization device and image forming device |
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Application publication date: 20170609 |