Canon NP6412 Service Manual page 480

CHAPTER 2 STANDARDS AND ADJUSTMENTS
6. Voltage Correction for Measurement of APVC (PW_OFST)
Perform this adjustment if you have replaced any of the following:
• DC controller PCB
• Composite power supply PCB
Making Adjustments
1) Select '34' in service mode.
• The display will indicate '34'.
2) Press the Copy Start key.
• The existing setting will flash.
3) Enter the value of 'PW_OFST' recorded on the service label using the +/- key.
4) Press the AE key to store the new value.
5) Execute 'U7' in user mode (installation/drum replacement mode).
• If you have replaced the composite power supply PCB,
1) Select '34' in service mode.
• The display will indicate '34'.
2) Press the Copy Start key.
• The existing setting will flash.
3) Enter the value of 'PW_OFST' indicated on the new composite power supply PCB using the +/
- key.
4) Press the AE key to store the value.
5) Record the new value on the service label.
6) Execute 'U7' in user mode (installation/drum replacement mode).
2-44
120V 230V
34
PW
OFST
35
IP
ADJ
Composite power supply PCB
Figure 2-66