Canon IMAGERUNNER 2530, Service Manual

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Adjustment > Adjustment when replacing parts > Laser Exposure System > Action to Take after Replacing the Laser Scanner Unit
Adjustment > Adjustment when replacing parts > Laser Exposure System > Action to Take after Replacing the Laser Scanner Unit
Action to Take after Replacing the RAM
CAUTION:
The ADRAM is powered from the secondary battery unit to back up the image memory
even after the main power switch is turned OFF and the power plug is removed from
the outlet.
If the SW3 on the main controller PCB is pressed with the image backed up, the entire
data stored in the memory is cleared. Be sure to output the data stored in the memory
before pressing the SW3.
Laser Exposure System
Action to Take after Replacing the Laser Scanner Unit
When replacing the laser unit, enter the values recorded on the label affixed to the laser unit
to be replaced for the following in the service mode:
145 146 147 136 148 149 150 SW No.
PRINT > Bitswitch > 136 Laser horizontal scanning direction write position adjustment(A)
PRINT > Bitswitch > 145 Laser horizontal scanning direction magnification ratio
adjustment(A-B)
PRINT > Bitswitch > 146 Laser horizontal scanning direction magnification ratio
adjustment(A-C)
PRINT > Bitswitch > 147 Laser horizontal scanning direction magnification ratio
adjustment(A-D)
PRINT > Bitswitch > 148 Laser horizontal scanning direction write position adjustment(A-B)
PRINT > Bitswitch > 149 Laser horizontal scanning direction write position adjustment(A-C)
PRINT > Bitswitch > 150 Laser horizontal scanning direction write position adjustment(A-D)
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