41309401TH Rev.4
227 /
7.6
Auto Dial Failure
Start
Test other fax machines
under the same
conditions. Do they
dial automatically?
Each location causes
the problem?
Solved?
No
Yes
No
1. Check the line cable.
2. Check the exchange.
Check the following items:
* Off-hook bypass OFF (TF No. 19)
* MF/DP (Dial parameter)
* DP rate (Dial parameter)
* DP make ratio (Dial parameter)
* Dial type (Dial parameter)
* Other dial parameters
Note: TF=Technical function
Yes
No (Others cannot dial
automatically either)
Can you hear dial tone when
lifting up your handset?
Check pulse dial/tone dial, dial rate, etc.
Check closed network.
Return to section 7.1
Hang up external
telephone set
Manual dial OK?
DIALING on LCD?
TELEPHONE BUSY
on LCD?
(Note 1)
Replace NCU Board.
Solved?
Replace MCNT Board.
Check the following items:
* Programmed one-touch keys
* Programmed two-digit auto dial
code
Yes
Solved?
Yes
No
No
Yes
Yes
Yes
No (Only specific
locations)
Yes
Yes
No
No
Note 1:
No
If you do not have any other fax machine
for testing, follow this route. Then, if the
problem is unsolved, return to the main route.
2: NCU Board is shown as EN9 for UK, France
and EC countries, INU for US, Canada, Australlia,
New Zealand, Singapore, China, Malaysia and
non-EC countries (Poland etc.)
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...
