Electrical - Canon NP6512 Service Manual

C.

Electrical

1. After Replacing the Major Parts
Parts
Scanning lamp
AE sensor PCB
Composite power supply PCB
Pre-exposure lamp
DC controller PCB
Drum unit
ADF controller PCB
*1: If you have replaced the composite power supply PCB, check copy images using the Test
Sheet; if (and only if) an image fault is found, adjust the intensity of the scanning lamp and
execute AE adjustment.
COPYRIGHT © 1999 CANON INC.
1. Scanning lamp intensity adjustment (LAMP_ADJ)
2. AE adjustment
1. AE adjustment
*1
(1. Scanning lamp intensity adjustment (LAMP_ADJ))
(2. AE adjustment)
3. Voltage correction for APVC measurement (PW_OFST)
4. Current correction for APVC measurement (IP_ADJ)
1. Pre-exposure lamp output adjustment (PREX_LP)
1. Scanning lamp intensity adjustment (LAMP_ADJ)
2. AE adjustment
3. Leading edge non-image width adjustment (LE_BLANK)
4. Image leading edge margin adjustment (REGIST)
5. Primary charging output voltage correction (PRIMARY)
6. APVC measurement current correction (IP_OFST)
7. Voltage correction for measurement of APVC
(PW_OFST)
8. Current correction for measurement of APVC (IP_ADJ)
9. Ratio fine adjustment (LENS_ADJ)
10. Pre-exposure lamp output adjustment (PREX_LP)
1. Primary charging output voltage correction (PRIMARY)
2. APVC measurement current correction (IP_OFST)
1. Original leading edge stop position adjustment
Table 11-206
CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 11 TROUBLESHOOTING
Work
11-41