5FF
1-3-8
1-3-3 Electrical problems
Problem
(1)
The large paper
deck does not oper-
ate when the copier
main switch is
turned on.
(2)
The deck paper
conveying motor
does not operate.
(3)
Paper deck motor 1
does not operate.
(4)
Paper deck motor 2
does not operate.
(5)
Paper feed clutch 1
does not operate.
Causes
Incorrect connection with
the copier.
Poor contact of the deck
paper conveying motor con-
nector terminals.
The deck paper conveying
motor drive system
overloaded.
Defective deck paper con-
veying motor.
Defective deck main PCB.
Poor contact of the paper
deck motor 1 connector ter-
minals.
Broken paper deck motor 1
coil.
Defective deck main PCB.
Poor contact of the paper
deck motor 2 connector ter-
minals.
Broken paper deck motor 2
coil.
Defective deck main PCB.
Poor contact of the paper
feed clutch 1 connector ter-
minals.
Broken paper feed clutch 1
coil.
Defective deck main PCB.
Check procedures/corrective measures
Check the connector.
Check for continuity across the connector terminals. If none,
replace them.
Check the drive system.
Check if the deck paper conveying motor is operated in mainte-
nance item U247 while the motor drive clock signal is present
at CN2-2 on the deck main PCB. If not, replace the deck paper
conveying motor.
Check if the motor drive clock signal is present at CN2-2 on the
deck main PCB when the deck paper conveying motor is oper-
ated in maintenance item U247. If not, replace the deck main
PCB.
Check for continuity across the connector terminals. If none,
replace them.
Check for continuity across the coil. If none, replace paper
deck motor 1.
Check if CN7-13 on the deck main PCB goes low right after the
drawer is installed. If not, replace the deck main PCB.
Check for continuity across the connector terminals. If none,
replace them.
Check for continuity across the coil. If none, replace paper
deck motor 2.
Check if CN7-6 on the deck main PCB goes low right after the
drawer is installed. If not, replace the deck main PCB.
Check for continuity across the connector terminals. If none,
replace them.
Check for continuity across the coil. If none, replace paper feed
clutch 1.
Check if CN4-3 on the deck main PCB goes low when paper
feed clutch 1 is operated in maintenance item U247. If not, re-
place the deck 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...