Canon iR8500 Service Manual page 86

f. Points to Note When Replacing the reader controller PCB
1) Execute the following two items in service mode to print out settings stored under items:
COPIER>FUNCTION>MISC-P>LBL-PRNT and COPIER>FUNCTION>MISC-
P>USER-PRT.
2) Check to make sure that the Execute/Memory lamp in the control panel is OFF, and turn
off the main power switch.
3) Disconnect the power plug from the power outlet.
The machine remains powered as long as the power plug is connected. Be
sure to disconnect the power plug from the wall outlet.
4) Replace the reader controller PCB.
5) Assemble the machine, and connect the power plug to the power outlet; then, turn on the
main power switch.
6) Execute the following in service mode: COPIER>FUNCTION>CLEAR>R-CON.
7) Turn off and then on the main power switch.
8) Execute the following in service mode: COPIER>FUNCTION>CCD>CCD-ADJ.
9) Enter the settings printed out in step 1) for the following:
• service mode
COPIER>ADJUST>ADJ-XY (4 items)
COPIER>ADJUST>LAMP (1 item)
COPIER>ADJUST>CCD (29 items)
• user mode
10) Turn off and then on the main power switch, and execute the following in service mode
to generate a service label; keep the service label in the service book case:
COPIER>FUNCTION>MISC-P>LBL-PRNT.
COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
CHAPTER 2 NEW FUNCTIONS
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