Canon iR105 Service Manual page 637

SERVICE MODE
COPIER>FUNCTION>LASER>DPC
<LASER>
Use it to make laser-related adjustments.
POWER-A
Use it to turn on the laser A.
<Using the Mode>
1) Select <POWER-A> to highlight, and press the OK key.
2) See that the laser goes ON, and the display indicates 'Start→ACTIVE'
3) See that the message goes OFF automatically in about 60 sec, and the
POWER-B
Use it to turn on the laser B.
<Using the Mode>
1) See the instructions under POWER-A.
<DPC>
Use it to make voltage potential sensor-related adjustments.
OFST
Use it to execute offset adjustment of the potential sensor.
<Using the Mode>
1) Select the item, and press the OK key.
2) See that the machine automatically stops after offset adjustment.
S-76
(flashing); the upper right of the screen indicates <SERVICE>.
display indicates 'OK!'.
This mode is part of the procedure to be performed when replacing
the potential sensor unit; do not execute it on its own.
COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR105 REV.0 JULY 2001