40838301TH Rev.1
7 - 2
7.1
Overall Troubleshooting Flow Chart
Key operation activates
the OKIFAX 5400
Perform SELF-DIAGNOSIS.
Print test OK?
LCD works?
ALARM LED lights?
(Pressing SELECT FUNCTION key causes
"SELECT FUCTION (OT) MEMORY AVALI=100%" to appear on LCD?
Pressing STOP key makes a key touch-tone?)
Yes
RAM check OK?
Yes
PROG1/PROG2 check OK?
Yes
Local copy OK?
Yes
Transmission problem?
No
Auto dial OK?
Yes
Auto reception OK?
Yes
Reception problem?
No
Start
Verify symptom.
Go to 7.2 (No LCD operation).
Go to 7.3 (ALARM LED on).
No
Replace MCNT and/or OPE unit.
Go to 7.4 (Printing test failure).
Replace PROG1/PROG2 on MCNT
board
Go to 7.5 (No local copy).
Go to 7.6 (Auto dial failure).
Go to 7.7 (Transmission problem).
Go to 7.8 (Auto reception failure).
Go to 7.9 (Reception problem).
Note*:
Replace RAM(s)
(IC2-9 on MEM board, RAM1-3
on MCNT board)
Yes
No
No
No
No
No
No
Yes
No
Yes
Yes
No
Yes
OPT-RAM "OK" or "NG" is
printed when the MEMORY board
(Option) is inserted on the MCNT
board.
Note: E17-8 board are shown as MCNT.
Summary of Contents for OKIFAX 5400
Page 7: ...40838301TH Rev 1 CHAPTER 1 GENERAL INFORMATION...
Page 46: ...40838301TH Rev 1 CHAPTER 2 INSTALLATION PROCEDURE...
Page 130: ...40838301TH Rev 1 CHAPTER 3 BRIEF TECHNICAL DESCRIPTION...
Page 138: ...40838301TH Rev 1 CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY...
Page 157: ...40838301TH Rev 1 CHAPTER 5 ADJUSTMENTS...
Page 162: ...40838301TH Rev 1 CHAPTER 6 CLEANING AND MAINTENANCE...
Page 189: ...40838301TH Rev 1 CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIFAX 5400...
Page 240: ...40838301TH Rev 1 CHAPTER 8 DIPSWITCHS SETTING TABLES...
Page 380: ...40838301TH Rev 1 D 2 SECTION 1 CABINET ASSEMBLY 5...
Page 382: ...40838301TH Rev 1 D 4 SECTION 2 CONTROL PANEL ASSEMBLY...
Page 384: ...40838301TH Rev 1 D 6 SECTION 3 PRINTER ASSEMBLY 51...
Page 387: ...40838301TH Rev 1 D 9 SECTION 4 BASE ASSEMBLY 30 37 36 39 40 5...
Page 390: ...40838301TH Rev 1 D 12 SECTION 5 SCAN UNIT...
Page 392: ...40838301TH Rev 1 D 14 SECTION 6 PAPER GUIDE U ASSEMBLY...
Page 394: ...40838301TH Rev 1 D 16 SECTION 7 CABLES 10 11 19 12 20 21...
Page 396: ...40838301TH Rev 1 D 18 SECTION 8 OPTION TELEPHONE US...
Page 399: ...40838301TH Rev 1 D 21 SECTION 8 OPTION TELEPHONE UK ITA NOR DEN BEL...
Page 402: ...40838301TH Rev 1 D 24 SECTION 8 OPTION TELEPHONE HOL GER FRA SWITZ AUT INT L...