Service Manuals, User Guides, Schematic Diagrams or docs for : Sharp Copiers AM400DE AM400_SM_DE-GB

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AM-400DE

SERVICE MANUAL
No. 00ZAM400DESME

DIGITAL MULTIFUNCTIONAL SYSTEM
MODEL AM-400DE
MODEL SELECTION CODE DESTINATION
AM-400 DE Germany
AM-400 F France
Illustration: AM-400DE AM-400 IT Italy
AM-400 SE Sweden
AM-400 H U.K.

CONTENTS
CHAPTER 1. GENERAL DESCRIPTION [3] Circuit description of LIU PWB ....................5-19
[1] Caution.......................................................... 1-1
. [4] Circuit description of power supply PWB ......5-21
[2] Specifications ................................................ 1-3
. [5] Circuit description of CIS unit ......................5-23
[3] Operation panel............................................. 1-4
. [6] Circuit description of operation panel
[4] Transmittable documents .............................. 1-5. PWB ............................................................5-24
[5] Installation ..................................................... 1-6
. [7] Data flow chart.............................................5-25
[8] Troubleshooting ...........................................5-26
CHAPTER 2. ADJUSTMENTS
[1] Adjustments .................................................. 2-1
. CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
[2] Diagnostics and service soft switches........... 2-7 . LAYOUT
[3] Troubleshooting .......................................... 2-30
. [1] Control PWB circuit .......................................6-1
[4] Error code table........................................... 2-31
. [2] LIU PWB circuit ...........................................6-14
[3] Power Supply PWB circuit...........................6-17
CHAPTER 3. MECHANICAL DESCRIPTION [4] High Voltage PWB circuit.............................6-19
[1] Mechanical description.................................. 3-1
. [5] Operation Panel PWB circuit .......................6-22
[2] Disassembly and assembly procedures...... 3-18 .
CHAPTER 7. OPERATION FLOWCHART
CHAPTER 4. DIADRAMS [1] Protocol .........................................................7-1
[1] Block diagram ............................................... 4-1
. [2] Power on sequence.......................................7-2
[2] Wiring diagram .............................................. 4-2
.
[3] Point-to-point diagram................................... 4-3
. CHAPTER 8. OTHER
[1] Service tools ..................................................8-1
CHAPTER 5. CIRCUIT DESCRIPTION [2] Rewriting version up the FLASH ROM ..........8-2
[1] Circuit description.......................................... 5-1
.
[2] Circuit description of control PWB................. 5-1
. Parts Guide

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
SHARP CORPORATION for after sales service only.
The contents are subject to change without notice.
AM-400DE
CHAPTER 1. GENERAL DESCRIPTION
AM-400DE
Service Manual

[1] Caution
1. Laser caution
This laser facsimile is a class 1 laser product that complies with 21CFR 1040.10 and 1040.11 of the CDRH or IEC60825-1 standard. This means that
this machine dose not produce a hazardous laser radiation. The use of controls, adjustments or performance of procedures other than those specified
herein may result in hazardous radiation exposure.
This laser radiation isn't a danger to the skin, but when an exact focusing of the laser beam is achieved on the eyes retina, there is danger of spot
damage to the retina.
The following cautions must be observed to avoid exposure of the laser beam to your eyes at the time of servicing.
1) When a problem in the laser optical unit has occurred, the whole optical unit must be exchanged as a unit, not an individual part.
2) Do not look into the machine with the main switch turned on after removing the toner/developer unit and drum cartridge.
3) Do not look into the laser beam exposure slit of the laser optical unit with the connector connected when removing and installing the optical sys-
tem.
4) The cover of Laser Printer Unit contains the safety interlock switch.
Do not defeat the safety interlock by inserting wedges or other items into the switch slot.

CLASS 1
LASER PRODUCT

LASER KLASSE 1

Laser Wave Length : 770 nm -795 nm
Laser Pulse Times : 72.58 ns
Laser Output Power : max. 4.0 mW

2. Life of consumable

Section Part Estimated Life Replaced by
Toner cartridge Replacement cartridge (AM-30DC) 3,000 prints (at Letter/5% chart) User
Drum cartridge Replacement cartridge (AM-90DR) 20,000 prints (at Letter/5% chart) User
Paper feed Transfer roller (Refer to the P/G No. 3-19) 50,000 prints Service Engineer
(NROLR2525XHZZ)
Fuser Fusing unit (Refer to the P/G No. 5-901) 50,000 prints Service Engineer
(CFRM-2265XH02)
Paper transport Feed roller (Refer to the P/G No. 3-29) Cleaning as needed --------------------------
(NROLR2333XHZZ)
Unit AM-400 5 years or 50,000 prints of early either --------------------------

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