7–11
SERVICE MODE
No.
312
313
314
315
316
318
319
320
321
322
323
Item
Left/right margin adjustment
(reduction; the movement of the
blanking slide shutter)
Primary output voltage correction
(correction against the output
voltage determined on APVC)
APVC measurement current shift
(correction against APVC results)
APVC measurement voltage
correction (correction against
measurement voltage added for
APVC)
APVC measurement current
correction (correction against the
current value measured during
APVC)
Transfer output voltage adjustment
(correction against the transfer
voltage determined by ATVC)
Multifeeder arch adjustment (timing
at which the pick-up roller is turned
OFF)
Cassette 1/2 pick-up arch adjust-
ment (timing at which the pick-up
roller turns OFF)
Cassette 3 pick-up arch adjustment
(timing at which the pick-up roller
turns OFF)
Cassette 4 pick-up arch adjustment
(timing at which the pick-up roller
turns OFF)
Cassette 5 pick-up arch adjustment
(timing at which the pick-up roller
turns OFF)
Settings
–10 ~ +10
–16 ~ +16
–40 ~ +40
–16 ~ +16
–10 ~ +10
–4 ~ +4
0 ~ 63
0 ~ 63
0 ~ 63
0 ~ 63
0 ~ 63
Description
A higher setting increases both left and
right margins.
default:
–2
unit:
0.27 mm
Enter the value recorded on the label
attached to the drum cartridge whenever
you have replaced the drum cartridge.
default:
–4
Enter the value recorded on the label
attached to the drum cartridge whenever
you have replaced the drum cartridge.
default:
–10
default:
5
unit:
16 V
Execute it when replacing the composite
power supply, and enter the value indicated
on the label attached to the composite
power supply.
default:
0
Execute it when replacing the composite
power supply, and enter the value indicated
on the label attached to the composite
power supply.
Execute when replacing the composite
power supply by converting the value
indicated on the label attached to the
composite power supply as follows:
default:
0
Value on label
Input value
Value on label
Input value
1
→
0
6
→
+1
2
→
–1
7
→
+2
3
→
–2
8
→
+3
4
→
–3
9
→
+4
5
→
–4
A higher setting increases arching.
default:
36
unit:
0.27 mm
A higher setting increases arching.
default:
32
unit:
0.27 mm
A higher setting increases arching.
default:
10
unit:
0.27 mm
A higher setting increases arching.
default:
10
unit:
0.27 mm
A higher setting increases arching.
default:
10
unit:
0.27 mm
Table 7-712-2
Summary of Contents for NP6621
Page 4: ...ii ...
Page 8: ...vi ...
Page 48: ...3 2 IMAGE FAULTS ...
Page 49: ...3 3 IMAGE FAULTS NOT USED ...
Page 50: ...3 4 IMAGE FAULTS B Image Fault Samples not available ...
Page 80: ...4 16 TROUBLESHOOTING MALFUNCTIONS ...
Page 134: ...A 4 APPENDIX ...
Page 135: ...A 5 APPENDIX C GENERAL CIRCUIT DIAGRAM not available ...
Page 136: ...A 6 APPENDIX ...
Page 144: ...A 14 APPENDIX ...
