Canon iR5570 Service Bulletin page 2

Points to Note About Servicing:
Go through the following if any of the foregoing symptoms has occurred:
1. Eliminate condensation inside the machine:
1-1. Set the environment switch (drum/ non-interruptive switch) to ON (default: OFF).
1-2. Set "1" to the following in service mode (Level 2): COPIER>OPTION>BODY>DRUM-H-SW
(default: "0").
2. Check the level of laser power (to check for displacement of the scanner unit).
2-1. Return all of the following to the default settings indicated on the service label in service mode:
COPIER>ADJUST>V-CONT>EPOTOFST/VL-OFST/VD-OFST/DE-OFS-P/VD-OFS-P/DE-OFST/VL-
OFS-P.
2-2. Set"1"to the following in service mode: COPIER>FUNCTION>DPC>DPC (to force execution of
potential control).
2-3. Hold down the control panel power switch for 3 seconds or more.
2-4. Go through the shut-down instructions on the screen so that the main power switch may be turned off.
2-5. Turn off the main power switch.
2-6. Turn on the main power switch.
2-7. Execute "COPY SERVICE REPORT" by making the following selections in service mode:
COPIER>FUNCTION>MISC-P>P-PRINT>OK; then, check the values on P-8 (8th page) for LPOWER-P
and LPOWER-C.
If either of the two is 221 or higher, go through the instructions in step 2-8 to correct the mounting of the laser
scanner unit.
If both are 220 or lower, on the other hand, go to step 3.
iR6570-002
(2/5)