2DF
1-5-44
(2) No image appears
(entirely black).
Causes
1. No main charging.
2. Exposure lamp fails to light.
Causes
Check procedures/corrective measures
1. No main charging.
A. Broken main charger wire.
B. Leaking main charger housing.
C. The connector terminals of the high-voltage
transformer PCB make poor contact.
D. Defective main PCB.
E. Defective high-voltage transformer PCB.
2. Exposure lamp fails to light.
A. The connector terminals of the exposure
lamp make poor contact.
B. Defective inverter PCB.
C. Defective scanner drive PCB.
D. Defective main PCB.
Replace the main charger unit.
Clean the main charger wire, grid and shield.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
Check if CN7-3 on the main PCB goes low when maintenance item
U100 is run. If not, replace the main PCB.
Check if main charging takes place when CN1-3 on the high-voltage
transformer PCB goes low while maintenance item U100 is run. If
not, replace the high-voltage transformer PCB.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
Check if the exposure lamp lights when CN1-1 and 1-2 on the
inverter PCB go low while maintenance item U061 is run. If not,
replace the inverter PCB.
Check if the exposure lamp lights when CN1-3 on the scanner drive
PCB goes low while maintenance item U061 is run. If not, replace
the scanner drive PCB.
Check if CN37-3 on the main PCB goes low when maintenance item
U061 is run. If not, replace the main PCB.
Содержание Ri 2530
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Страница 326: ...AD 63...
Страница 329: ...3CX 1 1 2 1 1 2 Part names Figure 1 1 1 Duplex unit...
Страница 330: ...3CX 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Paper path Duplex unit...
Страница 346: ...DF 78...
Страница 349: ...3B5 1 1 2 1 1 2 Part names Figure 1 1 1 1 Intermediate tray 2 JAM release lever 3 Eject tray...
Страница 383: ...J 1402...
Страница 386: ...3B6 1 1 2 1 1 2 Part names Figure 1 1 1 1 Job separator tray 2 LED...
Страница 387: ...3B6 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Paper path...
Страница 388: ...3B6 1 1 4 1 1 4 Drive system Figure 1 1 3 1 Gear 20 2 Gear 28 3 Gear 28 4 Eject roller gear...
Страница 399: ...PF 70...
Страница 401: ...1 1 2 3CC 2 4 Appendixes Timing chart No 1 2 4 1 Timing chart No 2 2 4 2 Wiring diagram 2 4 3...
Страница 403: ...3CC 1 1 2 1 1 2 Parts names 1 Upper drawer 2 Lower drawer 3 Desk left cover Figure 1 1 1 3 1 2...
Страница 404: ...3CC 1 1 3 1 1 3 Machine cross section Paper path Figure 1 1 2 Machine cross section...
Страница 436: ...RA 1...
Страница 438: ...3CP 1 1 1 1 1 1 Part names Figure 1 1 1 Switchback unit Switchback unit open close lever...
Страница 439: ...3CP 1 1 2 1 1 2 Machine cross section Figure 1 1 2 Paper path Switchback unit...
Страница 440: ...3CP 1 1 3 1 1 3 Drive system Figure 1 1 3 1 Switchback motor gear 2 Eject motor gear 3 Gear 23 31 4 Gear 21...
Страница 456: ...PF 75...
Страница 458: ...1 1 2 5FF 2 4 Appendixes Timing chart No 1 2 4 1 Timing chart No 2 2 4 2 Wiring diagram 2 4 3...
Страница 461: ...5FF 1 1 3 1 1 3 Machine cross section Paper path Figure 1 1 3 Machine cross section...
Страница 499: ...Fax System C...
Страница 501: ...1 1 2 3CM...
Страница 509: ...3CM 1 1 8...
Страница 553: ...3CM 1 3 40...
Страница 565: ...3CM 1 5 2...
Страница 570: ...3CM 2 1 2...
Страница 581: ...Fax System F...