41309401TH Rev.4
559 /
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
Yes
Check CN1 connection.
No
No
No
No
No
No
1: LCD not displayed
Input of pin 27 of IC1
changes from 0V to 5V
upon power on
Input of pin 4 of IC503
changes from 0V to 5V
upon power on
Input of pin 5 of IC503
comes down to 0V then goes
back to 5V upon completion
of copying
6 MHz sine wave is input
between pins 30 and 31
of IC1
Signal of pin 2 of CN1
changes to 0V or 5V when
the key is pressed
Signal of pin 5 of IC504
changes to 0V or 5V when
the key is pressed
Pin 1 of CN1
changes to 0V or 5V when
the key is pressed
Pin 5 of CN1
remains at 0V or 5V upon
completion of copying
Replace IC502.
Replace IC504.
Replace OSC or IC1.
Replace IC503.
Replace IC1.
Replace IC1.
Replace IC1.
Check CN1.
Replace IC504
or IC505.
5V is input to pin 4 of
IC504
4.3
04W Board
4.3.1 LCD display NG
Содержание OKIFAX4550
Страница 1: ...41309401TH Rev 4 1 592 OKIFAX4550 OKIOFFICE87 Maintenance Manual 2001 05 08 Rev 4 Oki Data Corporation...
Страница 156: ...41309401TH Rev 4 156 Figure 4 2 Appearance of the OKIFAX4550 OKIOFFICE87...
Страница 428: ...41309401TH Rev 4 428 SECTION 1 CABINET ASSEMBLY OKIFAX4550 OKIOFFICE87...
Страница 431: ...41309401TH Rev 4 431 SECTION 2 UNIT PRINTER...
Страница 433: ...41309401TH Rev 4 433 SECTION 3 UNIT 051 OPE PANEL...
Страница 435: ...41309401TH Rev 4 435 SECTION 4 OPEPANEL OPERATION PANEL ASSEMBLY...
Страница 437: ...41309401TH Rev 4 437 SECTION 5 FRAME ASSEMBLY SCANNER L...
Страница 439: ...41309401TH Rev 4 439 SECTION 6 PLATE ASSEMBLY SCANNER B...
Страница 441: ...41309401TH Rev 4 441 SECTION 7 PLATE ASSEMBLY SCANNER R...
Страница 443: ...41309401TH Rev 4 443 SECTION 8 FRAME ASSEMBLY SCANNER U...
Страница 445: ...41309401TH Rev 4 445 SECTION 9 COVER ASSEMBLY TOP...
Страница 447: ...41309401TH Rev 4 447 SECTION 10 PLATE ASSEMBLY BASE...
Страница 449: ...41309401TH Rev 4 449 SECTION 11 PRINTER BASE FRAME UNIT Heat assy...
Страница 452: ...41309401TH Rev 4 452 SECTION 12 PRINTER HEAT ASSY...
Страница 454: ...41309401TH Rev 4 454 SECTION 13 CABLES...
Страница 457: ...41309401TH Rev 4 457 46F PCB Assy 1 9 41196601...
Страница 466: ...41309401TH Rev 4 466 R46 PCB Assy 1 10 41033201...
Страница 475: ...41309401TH Rev 4 475 REF NO SYMBOL TYPE NAME PART NO Q TY REMARKS 148 Screw PSW3 4C 2 R46 PCB Assy 10 10 41033201...
Страница 476: ...41309401TH Rev 4 476 04W PCB Assy 1 3 40071401...
Страница 479: ...41309401TH Rev 4 479 EN9 PCB Assy 1 6 41144301...
Страница 485: ...41309401TH Rev 4 485 INU PCB Assy 41144501 US 1 4 41144502 INT 1 5...
Страница 493: ...41309401TH Rev 4 493 MPW1546 120V PCB Assy 1 5 SIPS1303...
Страница 498: ...41309401TH Rev 4 498 MPW1446 230V PCB Assy 1 6 SIPS1302...
Страница 504: ...41309401TH Rev 4 504 P2H PCB Assy 1 4 40599101...
Страница 508: ...41309401TH Rev 4 508 P6L PCB Assy 1 3 40386701...
Страница 511: ...41309401TH Rev 4 511 G4N PCB Assy 1 5 41033701...
Страница 585: ...41309401TH Rev 4 585 Figure H 7 1 2 RTC Time Read Figure H 7 2 2 RTC Time Set...
Страница 587: ...41309401TH Rev 4 587 Figure H 9 Figure H 10 1 3...
Страница 588: ...41309401TH Rev 4 588 Figure H 10 2 3 Figure H 10 3 3...
Страница 589: ...41309401TH Rev 4 589 Figure H 11 1 3 Figure H 11 2 3...
Страница 590: ...41309401TH Rev 4 590 Figure H 12 Figure H 11 3 3...
Страница 591: ...41309401TH Rev 4 591 Figure H 13 1 2 Figure H 13 2 2...
Страница 592: ...41309401TH Rev 3 592 592 Figure H 14 1 2 Figure H 14 2 2...