Canon NP6412 Service Manual page 473

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.
CHAPTER 2 STANDARDS AND ADJUSTMENTS
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 2-6
Work
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