Canon NP6412 Service Manual page 377

C. Adjustment Mode (30)
1) Press the +/- key to select an item, and press the Copy Start key.
• The existing setting of the item will flash.
2) Press the +/- key to change the settings.
3) Press the AE key to store the new setting.
• The setting will stop flashing and remain on.
• A press on the Copy Start key will start copying operation.
4) As necessary, press the Clear/Stop key to return to item selection.
Caution:
If you have changed the setting of '34' or '37', be sure to execute 'U7' in user mode
(installation/drum replacement mode).
Notation Item
30 Leading edge
margin adjustment
(REGIST)
31 Leading edge
non-image width
adjustment
(LE_BLANK)
32 Primary charging
output voltage
correction
(PRIMARY)
33 APVC measurement
current correction
(IP_OFST)
34 APVC measurement
voltage correction
(PW_OFST)
35 APVC measurement
current correction
(IP_ADJ)
36 Ratio fine
adjustment
(LENS_ADJ)
37 Pre-exposure lamp
output adjustment
(PREX_LP)
38 Lamp intensity
adjustment
(LAMP_ADJ)
COPYRIGHT © 1999 CANON INC.
Settings
0-99 A higher setting will delay the copy paper in relation
to the image, reducing the margin.
Unit: 0.24 mm
0-99 A higher setting will increase the leading edge
non-image width.
Unit: 0.24 mm
0-30 Use it to correct the output voltage determined by
APVC.
(If you have replaced the drum unit, be sure to enter
the value recorded on the label.)
0-99 Correct the current value for APVC measurement.
(If you have replaced the drum unit, be sure to enter
the value recorded on the label.)
0-30 Use it to correct the level of voltage applied during
APVC measurement.
(If you have replaced the composite power supply
PCB, enter the value recorded on the PCB.)
0-30 Use it to correct the level of current measured during
APVC measurement.
(If you have replaced the composite power supply
PCB, enter the value recorded on the PCB.)
0-30 Use it to correct the lens position.
(Do not use it in the field.)
0-99 Use it to adjust the intensity of the pre-exposure lamp.
(If you have replaced the pre-exposure lamp, enter the
value recorded on the label attached to the lamp PCB.)
0-99 Use it to adjust the intensity of the scanning lamp.
Unit: 0.15 V (approx.; 120 V)
Table 11-702
CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 11 TROUBLESHOOTING
Description
0.30 V (approx.; 220/240 V)
11-91