Service manual

SERVICE MANUAL
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
CHAPTER 1. GENERAL DESCRIPTION
[1] Caution........................................................... 1-1
[2] Specifications ................................................. 1-3
[3] Operation panel.............................................. 1-5
[4] Transmittable documents............................... 1-6
[5] Installation ...................................................... 1-7
[6] Clearing paper jams ..................................... 1-11
CHAPTER 2. ADJUSTMENTS
[1] Adjustments ................................................... 2-1
[2] Diagnostics and service soft switch ............... 2-7
[3] Troubleshooting ........................................... 2-56
[4] Error code table............................................ 2-57
CHAPTER 3. MECHANICAL DESCRIPTION
[1] Mechanical description................................... 3-1
[2] Disassembly and assembly procedures....... 3-13
CHAPTER 4. DIADRAMS
[1] Block diagram ................................................ 4-1
[2] Wiring diagram ............................................... 4-2
[3] Point-to-point diagram.................................... 4-3
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Circuit description ..........................................5-1
[2] Circuit description of control PWB .................5-2
[3] Circuit description of power supply PWB......5-26
[4] Circuit description of CIS unit ......................5-27
[5] Circuit description of
operation panel PWB...................................5-27
[6] Data flow chart.............................................5-28
[7] Troubleshooting ...........................................5-29
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
[1] Control PWB circuit .......................................6-1
[2] Power Supply PWB circuit...........................6-16
[3] High Voltage PWB circuit.............................6-18
[4] Operation Panel/
Hook Switch PWB circuit .............................6-21
CHAPTER 7. OTHER
[1] Protocol .........................................................7-1
[2] Power on sequence.......................................7-2
[3] Rewriting version up the FLASH ROM ..........7-3
Parts Guide
TopPage
CONTENTS
FO-IS125N
No. 00ZFIS125NSME
FACSIMILE
FO-IS125N
MODEL
MODEL SELECTION CODE DESTINATION
FO-IS125N
U
U.S.A.

Summary of content (178 pages)