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ELECTRICAL COMPONENT DEFECTS
B022/B027 7-20
SM
7.5.2 SWITCHES
Component
(Symbol)
CN Condition
Symptom
Open
The machine does not turn on.
Main
281-1,2
(PSU)
Shorted
The machine does not turn off.
Open
The Cover Open indicator is not lit even if the
right upper cover is opened.
Right Upper
Cover
324-8
(SBCU)
Shorted
The Cover Open indicator is lit even if the right
upper cover is closed.
Open
The Cover Open indicator is not lit even if the
right cover is opened.
Right Cover
308-9
(SBCU)
Shorted
The Cover Open indicator is lit even if the right
cover is closed.
Open
The Cover Open indicator is not lit even if the
right lower cover is opened.
Right Lower
Cover
307-A8
(SBCU)
Shorted
The Cover Open indicator is lit even if the right
lower cover is closed.
Open
Upper Paper Size
308-1,2,4,5
(SBCU)
Shorted
The CPU cannot detect the proper paper size,
and misfeeds may occur when a copy is made.
Open
Lower Paper Size
308-
6,7,9,10
(SBCU)
Shorted
The CPU cannot detect the proper paper size,
and misfeeds may occur when a copy is made.
Open
The TD sensor initial setting procedure is not
performed when a new PCU is installed.
New PCU Detect
327-7
(SBCU)
Shorted
The TD sensor initial setting procedure is
performed whenever the front cover is closed.
Open
The Cover Open indicator is not lit even if the
front cover is opened.
Front Cover
Safety
311-2, 4
(SBCU)
Shorted
The Cover Open indicator is lit even if the front
cover is closed.
Open
The LCD does not off even if the operation
switch is turned off.
Operation
105-1
(IPU
Shorted
The LCD does not on even if the operation
switch is turned on.
Rev. 11/2002
Содержание B022
Страница 1: ...B022 B027 SERVICE MANUAL 001197MIU RICOH GROUP COMPANIES...
Страница 2: ......
Страница 3: ...B022 B027 SERVICE MANUAL RICOH GROUP COMPANIES...
Страница 4: ......
Страница 5: ...B022 B027 SERVICE MANUAL 001197MIU...
Страница 6: ......
Страница 8: ......
Страница 10: ......
Страница 12: ......
Страница 36: ......
Страница 37: ...OVERALL MACHINE INFORMATION...
Страница 38: ......
Страница 59: ...DETAILED SECTION DESCRIPTIONS...
Страница 60: ......
Страница 131: ...INSTALLATION...
Страница 132: ......
Страница 190: ...SERVICE TABLES...
Страница 191: ......
Страница 270: ...PREVENTIVE MAINTENANCE...
Страница 271: ......
Страница 275: ......
Страница 276: ...REPLACEMENT AND ADJUSTMENT...
Страница 277: ......
Страница 328: ...TROUBLESHOOTING...
Страница 329: ......
Страница 351: ......
Страница 352: ...PAPER TRAY UNIT A860 B390...
Страница 353: ......
Страница 375: ......
Страница 376: ...LCT A862 B391...
Страница 377: ......
Страница 397: ......
Страница 398: ...AUTO REVERSE DOCUMENT FEEDER B386...
Страница 399: ......
Страница 429: ......
Страница 430: ...INTERCHANGE UNIT B300 B416...
Страница 431: ......
Страница 437: ......
Страница 438: ...1 BIN TRAY UNIT A898 B413...
Страница 439: ......
Страница 445: ......
Страница 446: ...SHIFT TRAY UNIT B313 B459...
Страница 447: ......
Страница 455: ......
Страница 456: ...BY PASS A899 B415...
Страница 457: ......
Страница 465: ......
Страница 466: ...DUPLEX A896 B414...
Страница 467: ......
Страница 479: ......
Страница 480: ...BRIDGE UNIT A897 B417...
Страница 481: ......
Страница 490: ...1 000 SHEET FINISHER B408...
Страница 491: ......
Страница 495: ...MOTORS B408 17 4 SM 1 3 4 LOWER TRANSPORT MOTOR 1 Main PCB 1 1 2 Lower transport motor A x 2 x 1 B408R111 WMF A...
Страница 507: ...DRIVE LAYOUT B408 17 16 SM 7 Stack Feed out Motor 8 Jogger Motor 9 Stapler Motor B408D107 WMF 7 8 9...
Страница 518: ...500 SHEET FINISHER G302 B442...
Страница 519: ......
Страница 522: ...500 Sheet Finisher G302 B442 EXTERIOR SM 18 3 G302 B442 Right cover A Grounding plate 1 B Right cover 2 B442R103 WMF A B...
Страница 541: ......
Страница 542: ...FIRMWARE HISTORY...
Страница 543: ......
Страница 549: ......
Страница 550: ...PRINTER SCANNER CONTROLLERS B453 B461...
Страница 551: ......
Страница 592: ...FAX UNIT B418...
Страница 593: ......
Страница 734: ...TECHNICAL SERVICE BULLETINS...
Страница 737: ......
Страница 763: ...FIRMWARE HISTORY...