more than 4.8V during TD sensor initial set-
ting.
• Toner supply defective (confirm that
the toner seal strip has been removed
from toner cartridge)
395
D
Development output abnormal
• Poor connection at the development
bias terminal
• HVPS connectors or harnesses loose,
broken, defective
• HVPS defective
A development bias leak signal was de-
tected. High voltage output to the develop-
ment unit exceeded the upper limit (65%)
for 60 ms.
401
D
Transfer roller leak detected
• HVPS board defective
• Poor cable connection or defective
cable
• Transfer connector defective
A transfer roller current leak signal is de-
tected.
402
D
Transfer roller open error
• HVPS defective
• Transfer connector cable defective
• Transfer connector defective
• Poor PCU connection
The transfer roller current feedback signal
is not detected.
403
D
Transfer belt position sensor error
• Main motor malfunction
• Transfer belt contact clutch defective
• Transfer belt position sensor harness
or connector loose, broken, defective
• Transfer belt position sensor defective
The transfer belt position sensor did not ac-
tivate after the transfer belt contact clutch
was switched on twice and rotated once.
405
D
Transfer belt error
• Main motor malfunction
• Transfer belt contact clutch defective
• Transfer belt position sensor harness
or connector loose, broken, defective
• Transfer belt position sensor defective
The transfer belt did not move away from
the drum during the ID sensor pattern check.
440
D
Main motor error
• Main motor overload
• Main motor drive board defective
A main motor lock signal was not detected
within 2 sec. after the main motor turned on.
4. Troubleshooting
152
4
Содержание A-P4
Страница 1: ...Model A P4 Machine Code G147 SERVICE MANUAL May 12th 2006 Subject to change...
Страница 27: ...Installation Flowchart 1 Installation 26 1...
Страница 32: ...2 Remove the tray full sensor cover 1 x2 x1 3 Insert the loose connector 2 into the hole Bridge Unit B538 31 1...
Страница 59: ...3 Reattach the application cover x1 1 Installation 58 1...
Страница 64: ...Lubrication Lubricate the paper feed clutch gear A with Silicone Grease G501 every PM visit Lubrication 63 2...
Страница 65: ...2 Preventive Maintenance 64 2...
Страница 72: ...Left Covers 1 Left upper cover A x4 2 Controller cover B x2 Covers and Common Procedures 71 3...
Страница 82: ...Laser Unit 81 3...
Страница 103: ...5 Cover C x2 6 Gear D x1 7 Lower paper feed unit E x2 x1 3 Replacement and Adjustment 102 3...
Страница 116: ...Left side 5 Two terminals C x2 6 Center fusing lamp lead D Clamps x3 7 Bracket E x1 Right side Fusing Unit 115 3...
Страница 119: ...5 Springs x2 A both sides 6 Arms x2 B both sides 7 Pawl bracket C x4 3 Replacement and Adjustment 118 3...
Страница 127: ...2 Paper feed unit A x2 x2 3 Rear bracket B x4 x1 bushing x1 4 Paper feed clutch C x1 3 Replacement and Adjustment 126 3...
Страница 128: ...Duplex Unit Duplex Cover Removal 1 Duplex unit cover A x4 Duplex Unit 127 3...
Страница 142: ...IOB 1 Remove the center plate A x1 x1 2 Remove the rear lower cover B x 4 3 Remove the IOB C x 24 x 4 Boards 141 3...
Страница 181: ...4 Troubleshooting 180 4...
Страница 289: ...Self Diagnostic Test Flow 5 Service Tables 288 5...
Страница 303: ...In this machine the development unit is provided with its own motor separate from the main motor 6 Details 302 6...
Страница 306: ...Controller Block Diagram Board Layout 305 6...
Страница 319: ...What Happens When a New Unit Is Detected 6 Details 318 6...
Страница 367: ...6 Details 366 6...
Страница 379: ...MEMO 378...
Страница 380: ...MEMO 379...
Страница 381: ...MEMO 380...