Sharp AM 900 - Digital Office Laser Copier, Руководство по обслуживанию

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SERVICE MANUAL
AM-900U
No. 00ZAM900U/SME
DIGITAL MULTIFUNCTIONAL SYSTEM
AM-900
MODEL
SHARP CORPORATION
CONTENTS
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] Specifications ................................................. 1-1
[2] Operation
panel.............................................. 1-2
[3] Transmittable documents ............................... 1-3
[4] Installation ...................................................... 1-4
CHAPTER 2. ADJUSTMENTS
[1] Adjustments ................................................... 2-1
[2] Diagnostics and service soft switches............ 2-7
[3] Troubleshooting ........................................... 2-30
[4] Error code table............................................ 2-31
CHAPTER 3. MECHANICAL DESCRIPTION
[1] Mechanical description................................... 3-1
[2] Disassembly and assembly procedures....... 3-18
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.................. 5-1
[3] Circuit description of LIU PWB..................... 5-19
[4] Circuit description of power supply
PWB ............................................................5-21
[5] Circuit description of CIS unit ......................5-22
[6] Circuit description of operation panel
PWB ............................................................5-23
[7] Data flow chart.............................................5-24
[8] Troubleshooting ...........................................5-25
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
[1] Control PWB circuit .......................................6-1
[2] LIU PWB circuit ...........................................6-14
[3] Power Supply PWB circuit...........................6-17
[4] High Voltage PWB circuit.............................6-19
[5] Operation Panel PWB circuit .......................6-22
CHAPTER 7. OPERATION FLOWCHART
[1] Protocol .........................................................7-1
[2] Power
on sequence.......................................7-2
CHAPTER 8. OTHER
[1] Service tools ..................................................8-1
[2] Rewriting version up the FLASH ROM ..........8-2
Parts Guide
MODEL SELECTION CODE DESTINATION
AM-900 U U.S.A./Canada