Canon NP6251 Service Manual page 749

CHAPTER 11 TROUBLESHOOTING
Item
PRIMARY Use it to adjust the application voltage
correction value for the primary charging
assembly. (It is pre-adjusted at the
factory; enter the value recorded on the
service label if you have replaced the
DC controller PCB.)
BIAS Use it to adjust the developing assembly
bias. (It is pre-adjusted at the factory;
enter the value recorded on the service
label if you have replaced the DC
controller PCB.)
PRE- Use it to adjust the current for the pre-
TRANS transfer charging assembly. (It is pre-
adjusted at the factory; enter the value
recorded on the label if you have
replaced the DC controller PCB.)
11-218
COPYRIGHT © 1997 CANON INC.
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Screen 3-4
Description
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
4/17
Settings
0~1023
Label value ±34
Label value ±200
Remarks