Bd Unit - Canon iR8500 Service Manual

CHAPTER 2 NEW FUNCTIONS
b. Points to Note When Replacing the Laser Unit
1) Check to make sure that the Execute/Memory lamp in the control panel is OFF; then,
turn off the main power switch.
2) Disconnect the power plug from the power outlet.
The machine remains powered as long as the power plug is connected to the
power outlet. Be sure to disconnect it.
3) Replace the laser unit.
4) Record the values (LA-DELAY) indicated on the label attached to the new laser unit.
5) Assemble the machine, and connect the power plug to the power outlet; then, turn on the
main power switch.
6) Enter the values recorded in step 4) using service mode:
COPIER>ADJUST>LASER>LA-DELAY.

6.3.3 BD Unit

a. Removing the BD Unit
1) Remove the inside upper cover.
2) Remove the 3 screws [1], and discon-
nect the 2 connectors [2]; then, remove
the laser fan unit [3].
3) Slide out the process unit (See 7.9.1.a.).
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COPYRIGHT© 2001 CANON INC.
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F02-603-05
2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
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