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[CE40] Image quality control test pattern abnormality
1.Replace the image quality sensor
2.Set the values of "Image quality closed-loop control / Contrast voltage (08-556)" and "Image
quality closed-loop control / Laser power (08-557)" to "1" (Valid). MEANING Shutdown the machine,press 0+8,while starting the machine, enter 556 then enter 1,confirm it,then press 557 then 1,confirm it.
Below are further instructions in the same way
3.Perform "Enforced performing of image quality open-loop control (05-394)" and make sure it is
completed normally. (Error [CE40] does not appear.)
4.Clear all "Image quality control abnormal detection counter Y to K display/0 clearing (08-573 to
576)"
That is it
Posted on Feb 12, 2011
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[CE40] Image quality control test pattern abnormality
(1) Use "Image quality control abnormal detection counter Y to K display/0 clearing (08-573 to 576)"to check the abnormal occurring condition for each color.
(2) Check "Output value display of image quality sensor / Low-density pattern (05-391-0 to 3)" to
check if the low-density pattern abnormality occurs for each color. The values under 320 for Y, M
and C, and under 220 for K are defined as low-density pattern abnormality.
(3) Check "Output value display of image quality sensor / High-density pattern (05-390-0 to 3)" to
check if the high-density pattern abnormality occurs for each color and identify the color which
pattern is abnormal. If the value is 630 or above, it is defined as high-density pattern abnormality.
(4) Set the values of "Image quality closed-loop control / Contrast voltage (08-556)" and "Image
quality closed-loop control / Laser power (08-557)" to "0" (Invalid).
(5) Perform "Enforced performing of image quality open-loop control (05-394)".
(6) Output the image quality control test pattern (04-270) more than one time and check the patch of the color identified in step (3) to see if the image is abnormal.
(7) Replace the image quality sensor.
(8) Set the values of "Image quality closed-loop control / Contrast voltage (08-556)" and "Image
quality closed-loop control / Laser power (08-557)" to "1" (Valid).
(9) Perform "Enforced performing of image quality open-loop control (05-394)" and make sure it is
completed normally. (Error [CE40] does not appear.)
(10) Clear all "Image quality control abnormal detection counter Y to K display/0 clearing (08-573 to 576).
Good Luck
Regards
Apr 12, 2011 | Toshiba Office Equipment & Supplies
Jan 06, 2015 | Toshiba E-studio 281c Copier
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