Question about Canon PC170 Copier

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Copies are very light

And stay the same when attempting to adjust the tone

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In this situation only two things i am aware of that can cause this prob... 1 bad developer unit, or the drum for the machine has done its time

Posted on May 29, 2009

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Posted on Jan 02, 2017

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Fault/error a fault has occured switch off the machine . ensure that the screen desappears before swithing it on. it the problem persists,call for service. 124-315


Solution : Perform an Automatic Gradation Adjustment (Color Calibration) Automatic Gradation Adjustment compensates for tones when the color tones shift in color copies / prints. Compensating for color tones maintains the quality of color copies / prints made by the machine at a fixed level.

NOTE: Output of the Automatic Gradation Adjustment chart is added to the metered copy count.

NOTE: When Gradation Adjustment is selected, the following changes will be made to default copy settings set in System Settings mode:
  • Copy Density = Normal or Auto
  • Color Shift =Normal
  • Saturation = Normal
  • Color Balance = 0
  • Sharpness = 0
  1. Press the [Access] button (key symbol) on the Control Panel. The Access button is located above the number "3" on the numeric keypad.

  2. Using the numeric keypad, enter your administrator password and select [Confirm] on the Touch Screen. The System Administration Menu screen will be displayed.

    NOTE: If you do not know the password, contact your administrator. The initial password at machine install is 11111. If the administrator encounters a problem with changing the password, or forgets the password, a service call must be placed.

  3. Select [System Settings]. The System Settings screen will be displayed.
  4. Select [System Settings] again.
  5. Select [Common Settings].
  6. Select [Image Quality]. The Image Quality Adjustment screen displays.
  7. Select [Automatic Gradation Adjustment].
  8. Load 8.5 x 11 inch (216 mm x 279 mm) or A4 (210 mm x 297 mm / 8.3 x 11.7 inch) paper in Tray 5 (Bypass Tray). Adjust the paper tray edge guide so that the guide gently touches the edge of the paper stack.
  9. Select the desired gradation adjustment screen.
  10. Press [Start]. The Adjustment Chart is output.

    NOTE: When printing the color chart for Auto Gradation and you get the message,'Auto Graduation Procedure has completed with an error' make sure that 8.5 x 11 inch (216 mm x 279 mm) paper is loaded into Tray 5 Long Edge Feed (LEF).

  11. Place the Adjustment Chart face-down on the Document Glass with both the Magenta color patches against the left side of the glass.
  12. Place 5 sheets of white paper on top of the Adjustment Chart and close the Document Glass Cover.
  13. Press [Start].
  14. To continue Automatic Gradation Adjustment with other screens, repeat steps 6 to 10. When you are finished, select [Close] until the System Settings screen is displayed.
  15. Select [Exit] to exit the System Settings mode.
Hope it helps!

May 02, 2011 | Xerox CopyCentre C128 Copier

1 Answer

Cyan and majenta tone is not good


Solution : Perform an Automatic Gradation Adjustment (Color Calibration) Automatic Gradation Adjustment compensates for tones when the color tones shift in color copies / prints. Compensating for color tones maintains the quality of color copies / prints made by the machine at a fixed level.

NOTE: Output of the Automatic Gradation Adjustment chart is added to the metered copy count.

NOTE: When Gradation Adjustment is selected, the following changes will be made to default copy settings set in System Settings mode:
  • Copy Density = Normal or Auto
  • Color Shift =Normal
  • Saturation = Normal
  • Color Balance = 0
  • Sharpness = 0
  1. Press the [Access] button (key symbol) on the Control Panel. The Access button is located above the number "3" on the numeric keypad.

  2. Using the numeric keypad, enter your administrator password and select [Confirm] on the Touch Screen. The System Administration Menu screen will be displayed.

    NOTE: If you do not know the password, contact your administrator. The initial password at machine install is 11111. If the administrator encounters a problem with changing the password, or forgets the password, a service call must be placed.

  3. Select [System Settings]. The System Settings screen will be displayed.
  4. Select [System Settings] again.
  5. Select [Common Settings].
  6. Select [Image Quality]. The Image Quality Adjustment screen displays.
  7. Select [Automatic Gradation Adjustment].
  8. Load 8.5 x 11 inch (216 mm x 279 mm) or A4 (210 mm x 297 mm / 8.3 x 11.7 inch) paper in Tray 5 (Bypass Tray). Adjust the paper tray edge guide so that the guide gently touches the edge of the paper stack.
  9. Select the desired gradation adjustment screen.
  10. Press [Start]. The Adjustment Chart is output.

    NOTE: When printing the color chart for Auto Gradation and you get the message,'Auto Graduation Procedure has completed with an error' make sure that 8.5 x 11 inch (216 mm x 279 mm) paper is loaded into Tray 5 Long Edge Feed (LEF).

  11. Place the Adjustment Chart face-down on the Document Glass with both the Magenta color patches against the left side of the glass.
  12. Place 5 sheets of white paper on top of the Adjustment Chart and close the Document Glass Cover.
  13. Press [Start].
  14. To continue Automatic Gradation Adjustment with other screens, repeat steps 6 to 10. When you are finished, select [Close] until the System Settings screen is displayed.
  15. Select [Exit] to exit the System Settings mode.
Hope it helps!

May 01, 2011 | Xerox WorkCentre M-24 Color Copier

1 Answer

How can we avoid moire or screen clash when taking copies of originals containing half tones photos?


enter service mode(*28*>copier>adjust>ae>) enter value 1 there touch ok and press reset twice check half tone copy and adjust from service mode accordingly.

Jan 01, 2011 | Canon imageRUNNER 400S Copier

1 Answer

Question on a Konica Bizhub 600. Works well after a PM is done, but is starving for toner after 15,000 copies. Is there a way to increase toner output?


Make sure that during the PM the LD1 and LD2 adjustments are done. If they are set too light or too dark it will cause over toning or under toning. Also check the gears on the back of the developer unit, there is one small gear that can wear down. This gear drives the augers that add the toner to the developer mag roller.

May 13, 2010 | Konica Minolta bizhub C351 All-In-One...

1 Answer

Suddenly, there was a high tone pitch when I make copies...


TRY CLEANING AND LUBING THE SCANNER RAIL WITH A LIGHT GREASE.

Apr 28, 2010 | Sharp AR-M205 Copier

2 Answers

Ricoh Aficio 1232C prints with red-violet tone


download the RPCS driver from the Ricoh support site and then when you will install the driver go to preference then user settings and adjust the contrast and other options until you get the color of the printed image as you wish to be

Dec 14, 2009 | Ricoh Aficio 1232C Color Copier

1 Answer

My Minolta CF2001 when making copies the red ink does not comes out clear on top like it does the bottom of the pictures yet there is plenty if ink in the cartridge--help me


Have you checked the half tone print out for the magenta drum. Get into tech rep mode and run half tone with just magenta see if there are any problems. Also tone up machine and run gradation adjustment. But sounds like the drum. One other thing clean the LED rack below the drum

Jul 10, 2009 | Minolta CF2001 Copier

1 Answer

Copies


I can't remember but there should be a button with the name above it No. of Copies press this then you will be able to enter 1-99 copies. The energy saver you can adjust within the menu to longer or not come on at all. This will be in your manual.

Thanks J

Jan 10, 2008 | Sharp AL-1655CS Laser Printer

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