JP2006027141A - Imaging system - Google Patents

Imaging system Download PDF

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Publication number
JP2006027141A
JP2006027141A JP2004210789A JP2004210789A JP2006027141A JP 2006027141 A JP2006027141 A JP 2006027141A JP 2004210789 A JP2004210789 A JP 2004210789A JP 2004210789 A JP2004210789 A JP 2004210789A JP 2006027141 A JP2006027141 A JP 2006027141A
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JP
Japan
Prior art keywords
time
power saving
power supply
means
forming apparatus
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2004210789A
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Japanese (ja)
Inventor
Shiyouso Watanabe
祥聡 渡邉
Original Assignee
Ricoh Co Ltd
株式会社リコー
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Publication date
Application filed by Ricoh Co Ltd, 株式会社リコー filed Critical Ricoh Co Ltd
Priority to JP2004210789A priority Critical patent/JP2006027141A/en
Publication of JP2006027141A publication Critical patent/JP2006027141A/en
Application status is Pending legal-status Critical

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Abstract

<P>PROBLEM TO BE SOLVED: To monitor the setting of time for switching to electric power saving of an imaging system depending on how the user operates the system and reduce the latency time of the user. <P>SOLUTION: The imaging system is equipped with a power saving means for controlling a power supply to a specified component with respect to routine power supply, a timer means for measuring time, a storage device access timer means for timing an access time to the storage device which stores image data by the timer means and a change means which changes control timing for shutting off the power supply (a controller control block 8 has its function over each means). <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an image forming apparatus such as a digital copying machine or an analog copying machine having a power saving function, and more particularly to an HDD management processing technique for shifting to power saving when an application is operating.

A multifunction digital image forming apparatus equipped with a composite function such as a copy function, a fax function, and a printer function is known. In recent years, the introduction of a high-speed CPU in an image forming apparatus and the mounting of a large-capacity recording medium have added a printing function capable of performing complex arithmetic processing and performing many printing processes. Therefore, the power consumption tends to increase accordingly.
In such an image forming apparatus, a low power mode is prepared to cope with power saving. Specifically, when the user's operation is not performed for a certain period of time, the display of the operation display unit is turned off, the rotation of the polygon motor is stopped, the temperature of the fixing roller is lowered, or the drive part such as the motor of the machine body The power saving is realized by reducing the number of devices and not operating the peripheral devices.
In addition, the timer can be set by the user so that a low power transition time can be set in accordance with the International Energy Star Program and a transition time to the auto-off / sleep mode can be set. In addition, the power may be cut off to further save power.
For example, in Patent Document 1, the number of times the start key is operated in a certain time zone is counted for the purpose of obtaining a reliable energy saving effect in the auto shut-off function and the preheating function without impairing the operation of the operator. A technique is shown in which, based on the count value, if the number of times of use is large, the time until auto shut-off in that time zone is set longer, and if the number of times of use is small, the time is set shorter.
JP-A-9-269714

The conditions for shifting to the power saving state include pressing of the power saving transition key, pressing of the power key, and time-up of the timer count set by the user. In addition, the return condition from the power saving state includes a case where an application operates and a case where a power key is pressed.
However, the time period during which the user uses the image forming apparatus is fixed, and whether the user only accesses the HDD or prints frequently, the power saving state desired for each user differs depending on the frequency of use. Therefore, there is a problem that the optimum power saving transition cannot be performed simply by pressing the power saving transition key, pressing the power key, or counting only the timer.
SUMMARY An advantage of some aspects of the invention is to monitor the setting of the power saving transition time of the image forming apparatus according to the usage of the user and reduce the waiting time of the user.

In order to achieve the above object, the invention according to claim 1 stores image data by means of power saving means for controlling power supply to a predetermined portion with respect to normal power supply, time measuring means for measuring time, and time measuring means. An image forming apparatus including a storage device access timing unit for measuring the access time to the storage device and a changing unit for changing the control timing for shutting off the power supply is the main feature.
As a result, the power can be shut off based on the access time to the storage device, and the optimum power saving transition can be performed according to the use state of the user.
The invention according to claim 2 is a power saving means for controlling power supply to a predetermined portion with respect to a normal power supply, a time measuring means for measuring time, a printing time measuring means for measuring the printing time on the transfer paper by the time measuring means, An image forming apparatus including a changing unit that changes the power saving shift control timing is the main feature.
As a result, the power supply can be shut off based on the printing time on the transfer paper, and the optimum power saving shift can be performed according to the use state of the user.
According to a third aspect of the present invention, there is provided a power saving means for controlling power supply to a predetermined portion with respect to a normal power supply, a time measuring means for measuring time, and a time for accessing the storage device storing image data by the time measuring means. An image forming apparatus comprising: a storage device access timing means; a printing timing means for timing the printing time on the transfer paper by the timing means; and a changing means for changing the control timing for shutting off the power and changing the power saving shift control timing. The most important feature.
Accordingly, the power can be shut off based on the access time to the storage device and / or the printing time on the transfer paper, and the optimum power saving transition can be performed according to the use state of the user.

According to the first, second, and third aspects of the image forming apparatus according to the present invention, when the user uses the image forming apparatus, the image forming apparatus is prevented from shifting to power saving when the user wants to use the image forming apparatus. There is an effect that the waiting time can be shortened.
In addition, there is an effect that it is possible to reduce the waiting time until the image forming apparatus returns to a usable state when the user wants to use it.
In addition, there is an effect that it is possible to grasp the user's use state of the image forming apparatus, shorten the warm-up time of the image forming apparatus, and reduce the waiting time.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a functional block diagram of an image forming apparatus according to an embodiment of the present invention. Assume that a plurality of applications exist in consideration of multi-applications (application 1, application 2). Assume that there is an HDD 3 as a storage device, and the HDD 3 is controlled by an HDD control block 4.
The scanner engine 5 for reading a document and the plotter engine 6 for printing the read image are both controlled by an engine control block 7. The controller control block 8 performs power state management of the HDD 3, control of the HDD control block 4, power state management of the engines 5 and 6, and control of the engine control block 7.
An operation that controls the operation display unit 9 and the operation display unit 9 for displaying the operation state and setting information of the image forming apparatus to the user according to the operation state of the applications 1 and 2 and the operation state of the engines 5 and 6. A display control block 10 is provided. The operation display unit control block 10 is controlled by the controller control block 8. The controller control block 8 does not directly access the HDD 3, the engines 5, 6, and the operation display unit 9, and the control is always performed through the drivers 11, 12.
In the normal copying operation, first, the application 1 notifies the controller control block 8 of the operation start. At this time, in order to perform the operation of the application 1, the user performs various inputs from the operation display unit 9 and sets the operation of the application 1. After setting the operation, the controller control block 8 notifies the scanner engine 5 of the start of reading the document based on the information.
Upon receiving the document reading start, the scanner engine 5 converts the read document into digital image information and sends the image information to the controller control block 8. The controller control block 8 that has received the image information stores an image in the HDD 3 through the HDD control block 4 when it is necessary to store or temporarily store the image. When printing is performed without accumulating or temporarily storing images, the images are transmitted to the plotter engine 6 and printing is performed sequentially.

FIG. 2 is a layout diagram of the operation display unit. When the user performs a normal printing operation, the user sets the number of copies with the numeric keypad 21. Further, detailed operation setting desired by the user is performed by the print mode selection key 22. After setting the operation, the start key 23 is pressed to start the application operation. The operation status at this time is displayed on the panel display area 24 and the banner display area 25 for the application being used and information from the controller control block 8 to the user.
Application switching is performed by pressing the application switching key 26. Each application and the application switching key 26 have a one-to-one correspondence. When transitioning to the power saving state, display is made to the user according to the power saving transition state.
The LED of the power saving key 27 displays a power saving transition state in which the image forming apparatus shifts to a power saving state. The power saving key 27 also has a role of a transition key for shifting to the power saving state. In addition to the power saving key 27, a transition to the power saving state is also made when the timer counted in the controller control block 8 times out or when the power key of the image forming apparatus is pressed.

FIG. 3 is a diagram illustrating a power saving setting screen for each application installed in the image forming apparatus. When the user opens the setting screen of the operation display unit 9, as shown in FIG. 3 (1), items that can be set are displayed for each function-specific tag. When a tag related to power saving is selected from a plurality of displayed tags, and an item related to power saving priority switching (“user priority” in the drawing) is selected, the display shown in FIG.
In FIG. 3B, it is possible to select whether or not to perform the power saving transition according to the use frequency of the user. In addition, on the screen shown in FIG. 3A, in addition to the user priority setting, “setting priority” which is a mode in which the user makes a power saving transition for a fixed time set on the setting screen can be selected. It is also possible to select a setting screen for setting the weekly timer.
FIG. 4 is a flowchart showing a first control example of power saving transition. If a job with an access request to the HDD 3 is not started (NO in S1), the HDD access time measurement is not performed (S2), and the process ends. When a job with an access request to the HDD 3 is started (YES in S1), the HDD access time is measured (S3), and how much HDD access time is in which time zone with the real-time clock in units of one hour Measure with Then, the power-off time is adjusted (S4) and the power-off time is changed (S5).
For example, assume that there is an HDD access time of 15 minutes between 14:00 and 15:00. If the number of access requests to the HDD 3 is 3, the HDD 3 is accessed for 5 minutes per time. Since the power cut-off state can be maintained on average for 15 minutes per hour, if the power cut-off transition time is longer than 15 minutes, the timer setting is changed to cut off the power after 15 minutes.
However, if the HDD access time is 20 minutes and the number of accesses is 20 times between 15:00 and 16:00, for example, the average access time per one time is 1 minute, and the power is shut down in accordance with the above example. If the time is controlled on the basis of 60 minutes, there is a contradiction with the actual usage of the user. Therefore, if the number of accesses is a certain number or more, the power-off transition time should be set not by the average access time per time but by the number of HDD accesses.
In this case, since there are 20 accesses per hour, there is an HDD access once every 3 minutes, and shutting down the power supply during this time is activated for the image forming apparatus user. Since the system waits for the time, even if the power-off transition time is set, a change is made to invalidate the power-off transition time so that the power-off is not performed.

FIG. 5 is a flowchart showing a second control example of power saving transition. If a job with a print execution request is not started (NO in S11), the print execution time is not measured (S12) and the process ends. When a job having a print execution request is started (YES in S11), the print execution time is measured (S13). Using a real-time clock, measure how much print execution time was in which time zone in units of one hour. Then, fixing temperature control (S14), preheating, low power transition time adjustment (S15), preheating, and low power transition time change (S16) are performed.
For example, it is assumed that there is a print execution time of 20 minutes between 14:00 and 15:00. If the number of print execution requests is 5, the printing is executed for 4 minutes per time. Since the power saving state can be maintained on average for 10 minutes per hour, when the power saving transition time is longer than 10 minutes, the timer setting is changed to the power saving transition after 10 minutes.
However, for example, if the printing execution time is 20 minutes and the number of accesses is 20 times between 15:00 and 16:00, the average per printing time is 1 minute, and printing is performed according to the above example. If execution is controlled on the basis of 60 minutes, there will be a contradiction with the actual usage of the user. For this reason, if the number of printing executions is equal to or greater than a certain number of times, the power saving transition time should be set not by the average printing execution time per time but by the number of printing executions.
In this example, since printing is performed 20 times per hour, printing is performed once every 3 minutes, and it is instructed to the image forming apparatus user to shift to power saving in this time zone. On the other hand, since it will wait for the fixing temperature to return to a certain temperature, even if the power saving transition time is set, the power saving transition time is disabled so that the power saving transition is not performed. I do.
In the first control example of power saving shift, the access time to the HDD as a storage device is counted to change the shift control timing to shift to power saving, and in the second control example, the print execution time is counted to save power. However, the power saving shift control timing may be changed based on both the access time to the HDD and the print execution time.
Further, in the claims, the power saving means, the timing means, the storage device access timing means, the printing timing means, and the changing means are functions controlled by the controller control block 8.

1 is a functional block diagram of an image forming apparatus according to an embodiment of the present invention. The layout figure of an operation display part. FIG. 4 is a diagram showing a power saving setting screen for each application installed in the image forming apparatus. The flowchart which shows the 1st control example of a power saving transition. The flowchart which shows the 2nd control example of a power saving transition.

Explanation of symbols

8 Controller control block (power saving means, timing means, access timing means, changing means)

Claims (3)

  1.   Power saving means for controlling power supply to a predetermined portion relative to normal power supply, time measuring means for measuring time, storage device access time measuring means for measuring access time to storage device for storing image data by time measuring means, power supply An image forming apparatus, comprising: a changing unit that changes a control timing for blocking.
  2.   The power saving means for controlling the power supply to a predetermined part with respect to the normal power supply, the time measuring means for measuring time, the printing time measuring means for measuring the printing time on the transfer paper by the time measuring means, and the power saving shift control timing are changed. An image forming apparatus comprising a changing unit.
  3. Power saving means for controlling power supply to a predetermined part with respect to normal power supply, time measuring means for measuring time, storage device access time measuring means for measuring access time to storage device for storing image data by time measuring means, time keeping An image forming apparatus comprising: a printing timing unit that counts a printing time on transfer paper by a unit; and a changing unit that changes a control timing for shutting off a power supply and changes a power saving shift control timing.
JP2004210789A 2004-07-16 2004-07-16 Imaging system Pending JP2006027141A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008065274A (en) * 2006-09-11 2008-03-21 Ricoh Co Ltd Image forming device, energy saving setting method, and energy saving setting program
JP2008105211A (en) * 2006-10-24 2008-05-08 Brother Ind Ltd Recorder
JP2008105209A (en) * 2006-10-24 2008-05-08 Brother Ind Ltd Image recorder
JP2008105210A (en) * 2006-10-24 2008-05-08 Brother Ind Ltd Image recording apparatus
JP2010166251A (en) * 2009-01-14 2010-07-29 Konica Minolta Business Technologies Inc Image forming apparatus, and mode shift control method in the device, and mode shift control program

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008065274A (en) * 2006-09-11 2008-03-21 Ricoh Co Ltd Image forming device, energy saving setting method, and energy saving setting program
JP2008105211A (en) * 2006-10-24 2008-05-08 Brother Ind Ltd Recorder
JP2008105209A (en) * 2006-10-24 2008-05-08 Brother Ind Ltd Image recorder
JP2008105210A (en) * 2006-10-24 2008-05-08 Brother Ind Ltd Image recording apparatus
US8287086B2 (en) 2006-10-24 2012-10-16 Brother Kogyo Kabushiki Kaisha Image recording apparatus and method for restoring recording head for image recording apparatus
JP2010166251A (en) * 2009-01-14 2010-07-29 Konica Minolta Business Technologies Inc Image forming apparatus, and mode shift control method in the device, and mode shift control program

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