CN106980248A - Image processing system, bearing calibration - Google Patents
Image processing system, bearing calibration Download PDFInfo
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- CN106980248A CN106980248A CN201610028691.5A CN201610028691A CN106980248A CN 106980248 A CN106980248 A CN 106980248A CN 201610028691 A CN201610028691 A CN 201610028691A CN 106980248 A CN106980248 A CN 106980248A
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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
- G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
- G03G15/5062—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the characteristics of an image on the copy material
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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
- G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
- G03G15/0142—Structure of complete machines
- G03G15/0178—Structure of complete machines using more than one reusable electrographic recording member, e.g. one for every monocolour image
- G03G15/0189—Structure of complete machines using more than one reusable electrographic recording member, e.g. one for every monocolour image primary transfer to an intermediate transfer belt
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- Microelectronics & Electronic Packaging (AREA)
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Abstract
A kind of image processing system, bearing calibration, with image forming part, sensor portion and control unit.Prespecified first mark that takes printing a variety of colors of the image forming part in conveying toner image.Sensor portion is arranged on the top of band.Control unit controls image forming part, so that image forming part is with first size printing first mark, result of the control unit based on the first mark that first size is detected by sensor portion, correct the skew of a variety of colors, and image forming part is controlled, so that image forming part is marked with the second size marking first smaller than first size.
Description
Technical field
The present invention relates to carry out color displacement correction and adjustment picture quality keep image processing system,
Bearing calibration.
Background technology
All the time, the image processing system of colored printing can be carried out due to need to periodically adjust a variety of colors
Printing position, therefore, color displacement correction should be carried out.In this device, color displacement is carried out
Timing, by stamping pre-defined specific pattern on intermediate transfer band, using being arranged on fixation
The sensor of position detects the pattern, can export and be corrected into the offset of picture.Japanese Unexamined Patent Publication
H08-278680 publications etc. disclose the technology for implementing this colour shift correction.
In the device for carrying out color displacement correction, when pattern is imprinted on the position that sensor can not be detected
When, it is impossible to carry out color displacement correction.
In addition, also have it is a kind of stamp picture quality holding on intermediate transfer band render image and half
Tone images (hereinafter referred to as sticking patch "), measure concentration by sensor and adjust a variety of colors
The image processing system of output quantity.The sticking patch of this picture quality holding, if position skew is big,
It then can also exceed the detection range of sensor, it is impossible to the reading of sticking patch is carried out, so that image can not be carried out
The adjustment that quality is kept.
The content of the invention
The present invention provides a kind of image processing system, including：Image forming part, in conveying toner figure
The the first prespecified mark for taking printing a variety of colors of picture；Sensor portion, is arranged on the band
Top；And control unit, described image forming portion is controlled, so that described image forming portion is with first
First mark described in size marking, the control unit is based on detecting first chi by the sensor portion
The result of the first very little mark, corrects the skew of a variety of colors, and controls described image forming portion, with
Make described image forming portion with the first mark described in the second size marking smaller than the first size.
In addition, the present invention provides a kind of bearing calibration of image processing system, including：Image forming part
In the first prespecified mark for taking printing a variety of colors of conveying toner image；And control
Described image forming portion, so that described image forming portion is with first size printing first mark, base
Sensor portion in the top by being arranged on the band detects the first mark of the first size
As a result, the skew of a variety of colors is corrected, and controls described image forming portion, so that described image is formed
Portion is with the first mark described in the second size marking smaller than the first size.
Brief description of the drawings
Fig. 1 is the schematic diagram of image processing system.
Fig. 2 is the figure being printed upon on intermediate transfer band for the image processing system for showing first embodiment
The figure of case (stock size).
Fig. 3 is the figure of signal waveform when showing to detect the pattern shown in Fig. 2 by sensor.
Fig. 4 is the figure being printed upon on intermediate transfer band for the image processing system for showing first embodiment
The figure of case (stock size, can not detect).
Fig. 5 is the figure of signal waveform when showing to detect the pattern shown in Fig. 4 by sensor.
Fig. 6 is the figure being printed upon on intermediate transfer band for the image processing system for showing first embodiment
The figure of case (size is big).
Fig. 7 is the figure of signal waveform when showing to detect the pattern shown in Fig. 6 by sensor.
Fig. 8 is the flow chart of the action example for the image processing system for showing first embodiment.
Fig. 9 is the figure being printed upon on intermediate transfer band for the image processing system for showing second embodiment
As quality keeps the figure of an example of sticking patch.
Figure 10 is the flow chart of the action example for the image processing system for showing second embodiment.
Figure 11 is the flow chart of the action example for the image processing system for showing second embodiment.
Figure 12 is the flow chart of the action example of the image processing system of second embodiment.
Embodiment
The image processing system of embodiment possesses image forming part, sensor portion, control unit.Image
Forming portion is carried out defined first mark in advance with a variety of colors in taking for conveying toner image
Printing.Sensor portion is set on tape.Control unit controls image forming part, so as to according to first size
Above-mentioned first mark is printed, result of the sensor portion based on the first mark for detecting first size is right
The skew of a variety of colors is corrected, then, image forming part is controlled, so as to smaller than first size
The second size marking first mark.
Hereinafter, to present embodiment the adjustment that color displacement correction and picture quality is kept is illustrated.
In addition, in this specification, will be illustrated, passed through to color displacement correction by first embodiment
The adjustment that second embodiment is kept to picture quality is illustrated.
The image processing system of first embodiment print colors offset correction on intermediate transfer band is used
Specific pattern (first mark).The image processing system of first embodiment set device when,
Print big pattern on intermediate transfer band, carry out color displacement correction, afterwards, be converted into small normal
Advise pattern and carry out color displacement correction.When with image processing system, pass through the stock size
Pattern carries out position offset correction.With when, for example deviate sensor and non-detectable shape in pattern
, can be as needed when condition etc., color displacement correction is carried out by big pattern.Image processing system
Carried out by the big pattern after color displacement correction, conversion is used to the pattern of stock size.By
This, compared to big pattern is printed all the time on intermediate transfer band, can suppress the consumption of toner.
In addition, when carrying out the adjustment of picture quality holding, as described above, being beaten on intermediate transfer band
The sticking patch of watermark image quality holding, making will not cause to read because of site error of sensor etc.
The sticking patch (the second mark) taken.In this second embodiment, which will be illustrated.
Hereinafter, referring to the drawings, the mode to first, second embodiment is illustrated.
(first embodiment)
Fig. 1 is the figure of the configuration example for the image processing system for showing embodiment.Image shown in Fig. 1
Forming apparatus 1 possesses reading part R, image forming part P, sheet material supply unit C, control unit 800.
Image forming part P input image informations, toner is formed on the common scraps of paper or transparent resin sheet etc.
Image, is fixed it.Sheet material supply unit C is provided image forming part P for any of image output
The sheet material of size.
Reading part R scan manuscripts piece and read view data.Reading part R is defeated to image forming part P
Go out read view data, or to be permanently stored in non-volatile storage part (such as aftermentioned
Storage part 802) in.Reading part R has the auto document for guiding original copy piece to reading position defeated
Send device 7.Auto document feeder 7 is located at the original copy for the original copy piece for being placed with image reading unit P
The upper surface of platform.
Image forming part P has developing apparatus 11Y, 11M, 11C, 11K, 11E.These developments
Device respectively to photosensitive drums 12Y, 12M, 12C, 12K supply Y (yellow), M (magenta),
C (cyan), K (black) non-colour killing toner and to photosensitive drums 12E supply colour killing tone
Agent, is developed.Colour killing toner refer to apply predetermined temperature more than heat will colour killing color material,
Non- colour killing toner refers to the color material without colour killing characteristic.
Photosensitive drums 12Y keeps Y (yellow) toner image.Equally, photosensitive drums 12M, 12C,
12K keeps M, C, K toner image respectively.Photosensitive drums 12E keeps colour killing toner image.
By each photosensitive drums 12Y, 12M, 12C, 12K, 12E rotation, each photosensitive drums is kept
Image print to intermediate transfer belt 15.By the rotation of roller 31, intermediate transfer belt 15 is along dotted line arrow
Head direction is advanced, and the image printed on tape is transported into transfer position 22.
Detect that the sensor 24 of the pattern of color displacement correction is located at the top of intermediate transfer belt 15.
Sensor 24 be arranged at the pattern that is printed upon on intermediate transfer belt 15 by position.The pattern is beaten
Two ends (two ends of Y direction) of main scanning direction are imprinted on, sensor 24 is arranged on master
At the one end of scanning direction and the two of the other end.The detection signal final output of sensor 24 is arrived
Control unit 800.Control unit 800 is based on the detection signal and carries out color displacement correction.
Sheet material supply unit C has the multiple boxes for the sheet material for accommodating arbitrary dimension.It is loaded in sheet material supply unit
C sheet material is delivered to transfer position 22 by feed track 21 in predetermined timing.Pass through intermediate transfer
Image with 15 conveyings is timed to up to transfer position 22 in identical, is transferred on the sheet material.Conveying
The fixing sheet material for having image is delivered to fuser 18 by road 21, is heated by fuser 18 fixing.Conveying
The sheet material being imaged as described above is delivered to discharge tray 41 by road 21, is expelled to image processing system 1
Outside.
Image processing system 100 has guidance panel 55.Guidance panel 55 is received by reading from user
The portion R of taking starts to read the image information of original copy and starts to form image forming part P progress images
Instruction.In addition, the progress and state of the display processing of guidance panel 55, the letter for notifying user
Breath.
Control unit 800 is the part for the action for being uniformly controlled above-mentioned unit, with processor 801,
Storage part 802.Processor 801 is CPU (Central Processing Unit；Central processing unit)
Deng arithmetic processing apparatus.Processor 801 is by computing and performs the program being stored in storage part 802
To control unit.Storage part 802 is with RAM (Random Access Memory；With
Machine access memory), ROM (Read Only Memory；Read-only storage), hard disk drive etc.
The storage device of storage arrangement.
In addition, image processing system 1 has the temperature sensor 45 of measurement temperature.Temperature sensor
45 measured value is exported to control unit 800.
According to present embodiment, and conventional image processing system is similarly, by Y colors, M colors, C
Color, the specific pattern of the color displacement correction of four kinds of colors of K colors are printed upon on intermediate transfer belt 15.
Fig. 2 shows the printing example of pre-defined pattern.In addition, in Fig. 2, only showing main scanning direction
One end, but sensor 24 is also equipped with the other end of main scanning direction, also print specific pattern.
From being carried out last color displacement correction during certain after and tasks carrying number and processing
Sheet material number reach more than certain after, the pattern is specifically led to by image forming part P
Cross each developing apparatus and the printing of each photosensitive drums.In the present embodiment, as shown in Fig. 2 wedge-shaped
Pattern 301Y, 301M, 301C, the 301K of (triangle) print to color displacement correction
Pattern.The shape of pattern 301Y formation right angled isosceles triangles, when side Ya length is set to 1,
Side Yb length isWhile Ya and while Yb formation angle be 45 °.Pattern 301M, 301C,
301K is also identical shape, and size is also identical.If Fig. 2 YY, MM, CC, KK table
The length shown is different from each other, then print position can be offset respectively, so as to occur color displacement.
Direction of the intermediate transfer belt 15 shown in Fig. 2 is advanced, and each pattern is passed through sensor
24.In this case the signal waveform obtained from sensor 24 figure 3 illustrates.Fig. 3 is with the time
For transverse axis, using signal level as the longitudinal axis.It is directed to as shown in figure 3, can be detected from sensor 24
Each color is 2 secondary response signals and the respective relative response signal of four kinds of colors.
The pace of band is set to steady state value, to each pattern 301Y, 301M, 301C, 301K
Timing is carried out by time of sensor 24, thus control unit 800 calculate YY, MM, CC,
KK each length.In addition, each length of control unit 800 based on YY, MM, CC, KK
Calculate color displacement correcting value.
As long as shown in Fig. 2 any pattern is all printed upon the position detected using sensor 24
On, it is possible to calculate correcting value.If however, using sensor 24 as shown in figure 4, being printed upon
On the position that can not be detected, then control unit 800 cannot obtain the base as color displacement correcting value
The data of plinth.In the example in fig. 4, because pattern 301Y is significantly offset, therefore as shown in figure 5,
Signal is short of, and the signal value from sensor 24 can not be obtained on Y colors.In this state
Under, as the data for correction of color shift, it is invalid to become.
In the image processing system 1 of embodiment, in above-mentioned non-detectable situation, image like that
When forming apparatus 1 is dispatched from the factory or newly-installed situation and to occur the situation of temperature change, periodically adjustment each
In the case of the printing position for planting color, the bigger pattern of print over regular pattern.Consider four kinds of colours
Relative skew, sensor 24 installing skew, make big pattern size turn into suitable size.
If for example, the relative skew for setting four kinds of colors is ± 5mm to the maximum, if the installing skew of sensor 24
For ± 5mm, if the detection beam diameter of sensor 24 is 2mm, then the size of big case at least into
For 14mm (10+10+2+2).
Fig. 6 shows to print the state of large-sized pattern, and Fig. 7 shows sensor 24 in this case
Signal waveform.Signal waveform of the control unit 800 based on sensor 24, calculate respectively YY, MM,
CC, KK length.Also, control unit 800 determines print position, so as to Standard Colors
The length (KK) of (being set to K colors here) turns into median when pattern to be set as to stock size
(such as 3mm).As noted previously, as pattern form is right angled isosceles triangle, KK length
Change and print position displacement amount identical amount.For YY, MM, CC, printing is similarly determined
Position is to reach 3mm.Here, it is determined that print position turn into get for position offset correction
The standard (corrected value) of pattern.The standard (corrected value) is stored in storage part 802 by control unit 800
In, also used in the next step that pattern is become to stock size.
Completed position adjustment in the stage, but due to temperature change and through when use, it some times happens that
Position is offset.Therefore, as described above, when regular by one from being carried out last color displacement correction
Between when, and when the execution number of times of task and the sheet material of processing reach more than certain number, pass through figure
The small pattern of stock size shown in 2 implements color displacement correction.At this moment, if prediction drift amount is
Such as ± 1mm, then adapt to the detection beam diameter of sensor 24, pattern be sized into 6mm
(1+1+2+2) is implemented.
If carrying out pattern printing commonly using large scale, the consumption of toner increases, and also expends logical
The time of sensor 24 is spent, it is not beneficial.Therefore, in the present embodiment, in common use
Color displacement correction is carried out using small regular pattern, face is carried out using large-sized pattern as needed
Colour cast shift correction.
Fig. 8 is the flow chart for the action example for showing first embodiment.By the action subject of this flow chart
It is used as control unit 800.This flow passes through pre- by the computing of processor 801 in control unit 800 and execution
The program in storage part 802 is first stored in, and cooperates with to realize with each hardware.
When image processing system 1 dispatches from the factory and during new when the setting, power initiation of image processing system 1,
Control unit 800 controls image forming part P, and large-sized pattern (Fig. 6 pattern dimension) is beaten
Print to intermediate transfer belt 15 (ACT001).Control unit 800 inputs the letter detected by sensor 24
Number (ACT002), color displacement correction (ACT003) is carried out based on obtained signal waveform.
ACT003, control unit 800 calculates YY, MM, CC, KK each length respectively, calculates each
Each length for planting color reaches setting (such as 3mm) corrected value, and is stored in storage part
In 802.
Carried out like this using large-sized pattern after color displacement correction, carry out routine uses operation.
In addition, in this conventional utilization operating process, being carried out when from the last time using large-sized pattern
Color displacement has been corrected when have passed through certain period (ACT010- is), and processing returns to ACT001, real
Apply and corrected using the color displacement of large-sized pattern.In addition, using large-sized pattern from the last time
Carry out color displacement to correct, when temperature sensor 45 measures pre-defined temperature change (temperature
Degree it is poor) when (ACT011- is), handle also return to ACT001.
Control unit 800 waits the processing of color displacement correction, until implementing the chance of color displacement correction
Arrive (circulation no ACT004-).As described above, in ACT004, from carrying out, last color is inclined
Shift correction rise the situation that have passed through specified time limit, situation about being imaged to the sheet material of regulation number,
Perform situation after the task of stipulated number etc. all turn into judge element.When having arrived implementation color displacement
During the chance of correction (ACT004- is), control unit 800 acts image forming part P, by small chi
Very little regular pattern (Fig. 2 pattern dimension) is printed on intermediate transfer belt 15 (ACT005).
The signal (ACT006) that the input pickup 24 of control unit 800 is detected.Control unit 800 judges
The no signal waveform (ACT007) for having obtained whole colors.As long as there is the color (ACT007- not obtained
It is no), processing is returned to ACT001, and control unit 800 carries out color displacement school using large-sized pattern
Just (ACT001~ACT003).(ACT007- is), control unit 800 when obtaining whole colors
Color displacement correction (ACT008) is carried out using the pattern of the small size.ACT008 is and ACT003
Identical is acted.
ACT004~ACT008 is repeated, untill power supply disconnects (circulation no ACT009-).
In above-mentioned embodiment, the color displacement correction of colour killing toner (E) is not referred to.This is
Because, color displacement school precisely in order to the skew of relative position between correction of color and carry out, for
The colour killing toner (E) of exclusive use, without adjustment.However, except Y colors, M colors, C colors, K
Beyond color, the object color that colour killing toner (E) can also be corrected as color displacement.
According to first embodiment, it can avoid because not by wrong caused by the test position of sensor
Miss, and with small size print pattern when using, so as to suppress toner consumption.In addition, comparing
Color displacement correction is carried out using big pattern, carrying out color displacement correction using small pattern can more contract
Short processing time.
(second embodiment)
In the first embodiment, corrected on color displacement, detection pattern is unable to sensor 24
When the example of the lower large-sized pattern of printing such as situation be illustrated.In addition, on the other hand, figure
Sticking patch is printed in order to reach the purpose of holding picture quality as forming apparatus, should using sensor detection
Sticking patch carries out the adjustment of picture quality.In the detection of the sticking patch, when position is significantly deviateed, pass
Sensor can not detect sticking patch.In this second embodiment, refer to that the position adjustment to sticking patch, size are adjusted
It is whole.Further, since device constitutes, thus their description is omitted (reference identical with first embodiment
Fig. 1).
Fig. 9 shows the example of the sticking patch of present embodiment.It is identical with the sticking patch of first embodiment, mend
Piece 401Y, 401M, 401C, 401K, 401E are printed upon on intermediate transfer belt 15.
Sticking patch 401Y is that Y colors render image and half tone image.Equally, 401M, 401C,
401K, 401E are that M colors, C colors, K colors, colour killing toner (E colors) render image respectively
And half tone image.
Intermediate transfer belt 15 advances in the direction of the arrow, thus sticking patch 401Y, 401M, 401C, 401K,
401E detects the concentration of each sticking patch by sensor 24, sensor 24.Detect the sensing of concentration
Most signal waveform is exported device 24 to control unit 800 at last, and control unit 800 is adjusted based on signal waveform
The output quantity of (correction) a variety of colors.Because the adjustment that picture quality is kept is carried out by this operation,
Therefore, it can be adjusted after being detected by sensor 24.Therefore, when sticking patch 401Y, 401M, 401C,
It is same with first embodiment to obtain signal when 401K, 401E print position significantly deviate
Waveform.In order to avoid such case, the image processing system 1 of second embodiment changes each sticking patch
Print position and stamp with the size, and detect sticking patch.
Figure 10~Figure 12 is the flow of the action example for the image processing system 1 for showing second embodiment
Figure.Figure 10~Figure 12 flow chart also regard control unit 800 as action subject.In addition, this flow
The program in storage part 802 is previously stored in by the computing of processor 801 in control unit 800 and execution,
And cooperate with to realize with each hardware.
Figure 10~Figure 12 flow chart is carried out in power on of image processing system 1 etc.,
It may also be in the new setting of image processing system 1 and the when of dispatching from the factory carries out mode once.In addition,
It is imaged have passed through the necessarily situation of period, the sheet material to certain number from upper once implementation
Situation, perform after the task of certain number of times in the case of, image processing system 1 can also be carried out
Figure 10~Figure 12 flow.In addition, in following flow chart, as an example, using
One size, the second size, the size marking sticking patch of the three phases of the 3rd size, each size are set up
The sizes of the second sizes of first size ＜ ＜ the 3rd
Relation.In addition, be not limited only to three phases or two stages and four-stage with
On.
Control unit 800 by this act in use data i.e. NG counters, check perform number of times, on
Secondary information is initialized and is stored in storage part (ACT101~ACT103).NG counters and inspection
The initial value for looking into execution number of times is set to 0 (zero), and the initial value of last time information is set to represent suitable value.
Control unit 800 controls image forming part P, by sticking patch 401Y, 401M, 401C, 401K, 401E
It is printed upon on intermediate transfer belt 15 (ACT104).When first, the second size of intermediate sizes is used
Printing.
The signal waveform that control unit 800 is exported based on sensor 24, judges whether sensor 24 detects
To sticking patch 401Y, 401M, 401C, 401K, 401E (ACT105).When detecting whole benefits
During piece (ACT105- is), processing enters Figure 11 ACT201.When there is undetected sticking patch
When (ACT105- is no), control unit 800 control image forming part P, so as to fail the sticking patch detected
Right direction moves (ACT106), and each sticking patch (ACT107) is printed again.
Control unit 800 judges whether sensor 24 detects whole sticking patch (ACT108), works as detection
Then (ACT108- is), control unit 800 is in the way of turning into last time information and represent suitably to be worth
Preserved, and processing is entered ACT201.(ACT108- is no), control unit when being not detected by
800 control image forming part P, make non-detectable sticking patch return to original position, make its further
It is moved to the left (ACT110).It is thus impossible to which the sticking patch of detection is located at the position than being printed in ACT104
Put the position that (position originally) is moved to the left.Moreover, control unit 800 beats image forming part P
Each sticking patch (ACT111) is printed, judges whether detect whole sticking patch (ACT112) using sensor 24.
(ACT112- is), control unit 800 when detecting whole sticking patch are so that last time information turns into expression
The mode being suitably worth is preserved, and processing is entered ACT201.When failing to detect whole sticking patch
When (ACT112- is no), preserved last time information as the mode for representing inappropriate value,
Processing is set to enter ACT201.
Figure 11 flow chart is illustrated.Control unit 800 judges whether last time information is suitable
(ACT201).When appropriate (ACT201- is), control unit 800 is controlled, so that sticking patch
Size turns into the first size (ACT202) smaller than current size, (is moved left and right in current location
When be it is mobile after position) printing (ACT203).Control unit 800 judges
It is no to detect whole sticking patch (ACT209).(ACT209- is), control unit 800 upon this detection
As being preserved in the way of representing suitably to be worth, to make processing enter Figure 12's last time information
ACT301.When failing to detect (ACT209- is no), control unit 800 using by last time information as
The mode of inappropriate value is preserved (ACT211), and 1 (ACT212) is added to NG counters,
Processing is set to enter ACT301.
Return to ACT201 explanation.(the ACT201- when ACT201 judged result is to be not suitable for
It is no), control unit 800 recovers the size of sticking patch to original size (ACT204), in current location
Print (ACT205), carry out the judgement (ACT206) that can be detected.In present embodiment, have
Following situation：After the change action of patch size, by carrying out do action (Figure 12 described later
In from the no actions as ACT104 of ACT303-), be again carried out ACT204~ACT206.
Original size shown in ACT204 refers to implement size after last time dimension modifying, i.e. previous chi
It is very little.When dimension modifying is not carried out, ACT204~ACT206 can also be omitted.In addition, ACT204~
ACT206 is that being confirmed whether can be again in order that current size recovers to previous state in this example
Secondary detect and carry out.
When detecting sticking patch (ACT206- is), processing enters ACT209.Further, since
ACT206 carries out detection judgement, accordingly it is also possible to which the detection for being omitted in ACT209 judges.When not
When can detect sticking patch (ACT206- is no), patch size is changed to than current chi by control unit 800
Very little big size (ACT207).If current size is such as the second size, sticking patch is changed to
The 3rd bigger size.Control unit 800 makes image forming part P, and in current location, printing changes size
Sticking patch (ACT208), carry out ACT209 can detect the judgement (ACT209) of sticking patch.By
In ACT209~ACT212 action as described above, thus omitting its description.
Processing to Figure 12 ACT301 is illustrated.800 pairs of control unit checks that performing number of times adds
Upper 1 (ACT301), judges whether NG counters reach setting (ACT302).If reached
Setting (ACT302- is no), control unit 800, which is assert, to make a mistake (ACT304), at end
Reason.In ACT304, control unit 800 includes error message etc. on such as guidance panel 55.Separately
On the one hand, if NG counters are not up to setting (ACT302- is), the judgement of control unit 800 is
It is no to have reached setting for inspection execution number of times, and last time information is worth (ACT303) to represent suitable.
When ACT303 is negative evaluation (ACT303- is no), processing returns to ACT104.On the other hand,
When ACT303 is affirmative determination (ACT303- is), end processing.
Afterwards, image forming part P uses final defined location and size, in intermediate transfer belt 15
Upper printing sticking patch, detection signal of the control unit 800 based on sensor 24 carries out picture quality holding
Adjustment is handled.
By the action of above-mentioned flow chart, image processing system 1 is acted as follows.
Image processing system 1 confirms reading position first by the sticking patch of given size.When can not read
During sticking patch, image processing system 1 by the print position of sticking patch on band direct of travel to the left or right side
It is mobile, implement to read confirmation.Image processing system 1 determines print position by the action.Then,
Image processing system 1 adjusts the size of sticking patch, confirms the size that can detect of sensor 24 and can not
The size detected.Image processing system 1 using the positioning and a series of actions being sized to be a set of,
Repeat stipulated number so that can also be read by sensor 24 even if small sticking patch.
When using, image processing system 1 is carried out using the positions and dimensions printing sticking patch after determining
The picture quality of non-colour killing toner and colour killing toner is kept.
In above-mentioned, the adjustment of print position and size is carried out to whole sticking patch of 5 kinds of colors, but
It can implement, using a kind of color as representative (such as Y colors), to determine its print position and size, it is other
Color defers to the determination.
Constituted according to this, the consumption of toner can be suppressed, performed picture quality and keep.
It according to embodiment, can suppress that the situation of pattern and sticking patch can not be detected using sensor,
When using, the consumption of toner can be reduced.
Although the description of several embodiments, but these embodiments are intended only as example and proposed,
It is not intended to limit the scope of invention.These embodiments can be implemented in other various modes,
Various omissions can be carried out without departing from the spirit and scope of the invention, replaced, are changed.These are implemented
Mode and its deformation are included in the scope and spirit of invention, are identically included in claims and are remembered
In the invention of load and its equivalency range.
Claims (10)
1. a kind of image processing system, including：
Image forming part, in the advance rule for taking printing a variety of colors of conveying toner image
The first fixed mark；
Sensor portion, is arranged on the top of the band；And
Control unit, controls described image forming portion, so that described image forming portion is with the first chi
Very little printing first mark, the control unit is based on detecting described the by the sensor portion
The result of first mark of one size, corrects the skew of a variety of colors, and control described image
Forming portion, so that described image forming portion is with second size marking smaller than the first size
First mark.
2. image processing system according to claim 1, wherein,
When described image forming apparatus switches on power, the control unit controls described image shape
Into portion, so that described image forming portion is with first size printing first mark.
3. image processing system according to claim 1, wherein,
When the sensor portion can not detect first mark of second size,
The control unit controls described image forming portion, so that described image forming portion is with described first
First mark described in size marking.
4. image processing system according to claim 1, wherein,
Regular by one from being carried out the correction based on the mark of the first of the first size
Between when, the control unit based on the first size first mark carry out the correction again.
5. image processing system according to any one of claim 1 to 4, wherein,
Described image forming portion also prints the second prespecified mark on the belt,
The control unit controls described image forming portion, so that described image forming portion is with the 3rd
Second mark described in size or the 4th size marking bigger than the 3rd size, and it is described
Control unit is entered based on the result that second mark is detected by the sensor portion and is exercised each
Plant the adjustment that the picture quality of color is kept.
6. a kind of bearing calibration of image processing system, including：
Image forming part takes the prespecified of printing a variety of colors conveying toner image
First mark；And
Described image forming portion is controlled, so that described image forming portion prints institute with first size
The first mark is stated, the sensor portion based on the top by being arranged on the band detects described
The result of first mark of one size, corrects the skew of a variety of colors, and control described image
Forming portion, so that described image forming portion is with second size marking smaller than the first size
First mark.
7. the bearing calibration of image processing system according to claim 6, wherein,
When described image forming apparatus switches on power, described image forming portion is controlled, so that
Described image forming portion is with first size printing first mark.
8. the bearing calibration of image processing system according to claim 6, wherein,
When the sensor portion can not detect first mark of second size,
Described image forming portion is controlled, so that described image forming portion prints institute with the first size
State the first mark.
9. the bearing calibration of image processing system according to claim 6, wherein,
Regular by one from being carried out the correction based on the mark of the first of the first size
Between when, based on the first size first mark carry out the correction again.
10. the bearing calibration of the image processing system according to any one of claim 6 to 9, its
In,
Described image forming portion also prints the second prespecified mark on the belt,
Described image forming portion is controlled, so that described image forming portion is with the 3rd size or compares institute
The second mark described in the 4th big size marking of the 3rd size is stated, and based on by the sensing
Device portion detects the result of second mark, and the picture quality for entering to exercise a variety of colors is kept
Adjustment.
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| CN201610028691.5A CN106980248A (en) | 2016-01-15 | 2016-01-15 | Image processing system, bearing calibration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610028691.5A CN106980248A (en) | 2016-01-15 | 2016-01-15 | Image processing system, bearing calibration |
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Family
ID=59340043
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| CN201610028691.5A Pending CN106980248A (en) | 2016-01-15 | 2016-01-15 | Image processing system, bearing calibration |
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| JP2018031813A (en) * | 2016-08-22 | 2018-03-01 | 株式会社沖データ | Image forming apparatus and method for controlling the same |
| CN112558441A (en) * | 2019-09-10 | 2021-03-26 | 东芝泰格有限公司 | Image forming apparatus and method for correcting image forming position |
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