Sharp AL-841 Service Manual
Sharp AL-841 Service Manual

Sharp AL-841 Service Manual

Digital laser multifunction
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[ 1 ] SYSTEM CONFIGURATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
[ 2 ] SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
[ 6 ] MACHINE OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
[ 7 ] ADJUSTMENTS, SETTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
[ 8 ] SIMULATION (Test Command)
[ 9 ] ACTUAL WIRING CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
This Service Manual describes only the different points from the AL-840.
For servicing of the AL-841, therefore, use this Service Manual together
with that of the AL-840.
DIGITAL LASER
MULTIFUNCTION
MODEL
CONTENTS
USER PROGRAM . . . . . . . . . . 5
CODE: 00ZAL841//F1E
AL-841
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
AL-841

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Summary of Contents for Sharp AL-841

  • Page 1: Table Of Contents

    [10] CIRCUIT DIAGRAM AND PARTS LOCATION CHART ..10 PARTS GUIDE This Service Manual describes only the different points from the AL-840. For servicing of the AL-841, therefore, use this Service Manual together with that of the AL-840. This document has been published to be used for after sales service only.
  • Page 2 AL-841 At the production line, the output power of the scanner unit is adjusted to 0.33 MILLI-WA TT PLU S 20 P CTS and is maintained constant by the operation of the Automatic Power Control (APC). Even if the APC circuit fails in operation for some reason, the maximum output power will only be 15 MILLI-WATT 0.1 MICRO-...
  • Page 3: 1 ] System Configuration

    AL-841 [1] SYSTEM CONFIGURATION 3. SOFTWARE Items Contents Media GDI Printer driver Printer driver CD-ROM Twain driver Scanner driver 4. OPERATING ENVIRONMENT (1) System requirements Host computer Operating system Emulation Plug and play Network IBM PC/AT or MS-DOS 3.3 +...
  • Page 4: 5 ] External View And Internal Structure

    AL-841 [5] EXTERNAL VIEW AND INTERNAL STRUCTURE B. Internal parts (1) Parts in each section c. Optical section <1> Scanner (reading) section 4) MHPS 6) CCD SENSOR 8) SL SENSOR 4) MHPS 8) SL SENSOR 6) CCD SENSOR Parts Note...
  • Page 5 AL-841 C. Functional parts (5) PWB Parts MODEL Note Name Function/operation Power PWB Outputs DC power. Drives the heater lamp. The voltage specification differs depending on the destination. Scanner lamp drive Controls light quantity of the scanner lamp. ICU PWB...
  • Page 6: 6 ] Machine Operation

    AL-841 [6] MACHINE OPERATION 3 GREEN TONER DRUM PRE- READY CERTRIDGE CERTRIDGE Copy Machine condition LINE HEAT NOTE LAMP SEGMENT LAMP REPLACE- REPLACE- lamp LAMP LAMP MENT LAMP MENT LAMP Scanning cannot be — performed. (OFFLINE) Scanner operation Scanning can be —...
  • Page 7: User Program

    AL-841 ∗ 3) Turn and adjust the volume on the copy lamp drive PWB so that Trouble caused y improper operation the CCD output waveform max. value is 4.0 ± 0.1 V. 1) E7 (05) trouble 2) E7 (04) trouble...
  • Page 8 AL-841 Purpose Operation data output/Check (Display/Print) Function Used to check the copy count number. (Purpose) Purpose Setting Item Counter Copier Function Used to set Enable/Disable of the SPF and the FAX Operation/ The display format and the method are same as SIM (Purpose) functions.
  • Page 9 AL-841...
  • Page 10: 9 ] Actual Wiring Chart

    AL-841 [9] ACTUAL WIRING CHART Main motor CN804 CN805 CN602 CN601 CN802 CN803 1 NC 24V(DSW) 1 D-GND 2 D-GND DGND D-GND 3 D-GND DGND 4 5V 5 5V MEN- CN603 3.3V 6 3.3V MMT1 1 HL-L (100V) 7 12V...
  • Page 11: Mcu Pwb

    AL-841 Laser LSU unit scanning motor Laser beam sensor CN602 (Start position detector PWB) CN603 CN604 LSU PWB 1 5VL CCD PWB SYNC 2 SYNC 3 GND Laser CN301 PE sensor CN601 Scanner Open/close motor CN17 CN16 CN12 CN14 CN901...
  • Page 12: [10] Circuit Diagram And Parts Location Chart

    AL-841 [10] CIRCUIT DIAGRAM AND PARTS LOCATION CHART – 9 –...
  • Page 13 AL-841 GDI PWB (PARTS LAYOUT) [PARTS SURFACE] [SOLDER SURFACE] – 10 –...
  • Page 14 AL-841...
  • Page 15: Parts Guide

    2(Lower Frame-2) (Power Supply PWB Unit) (Fusing Unit) (High Voltage PWB Unit) (Scanner Unit) (Index) AL-841 AL-800/840 AL-800/840 The AL-841 Parts Guide describes only the different parts from the AL-800/840. Please use this Parts Guide together that of the AL-800/840.
  • Page 16 DEFINITION The definition of each Rank is as follows and also noted in the list A : Parts necessary to be stocked as High usage parts. B : Parts necessary to be stocked as Standard usage parts. C : Low usage parts. D : Parts necessary for refurbish.
  • Page 17: Ak Dx

    (Operation Panel) PRICE RANK NEW PART PARTS CODE DESCRIPTION MARK RANK Operation PWB unit Operation FFC Operation panel cabinet (Japan) Operation panel cabinet (USA) Operation panel (Japan) Operation panel (USA) Operation key R Operation key L Cable cover sheet (Unit) Operation panel unit (Japan) Operation panel unit...
  • Page 18 (Carriage 1 Unit) PRICE RANK NEW PART PARTS CODE DESCRIPTION MARK RANK Lamp cover L Inverter harness Lamp base Carriage 1 Carriage 1 base F Carriage 1 base R Lamp cover R Lamp PWB unit Sub reflector Screw (2×8) Screw (3×6) Screw (3×6) (Unit) Carriage 1 unit...
  • Page 19 (Operation Panel) (Frame Section) (Upper Frame Section) 1(Lower Frame Section-1) 2(Lower Freme-2) (Fusing Unit) P R P N 0 0 3 1 – 4 –...
  • Page 20 (Scanner Unit) (Carriage 1 Unit) & (Packing Material & Accessories) PRPN0032 – 5 –...
  • Page 21: Af Ds

    12 MCU (MCU PWB Unit) PRICE RANK NEW PART PARTS CODE DESCRIPTION MARK RANK Connector (2pin) [CN2] Connector (3pin) [CN15,17] Connector (5pin) [CN4,6] Connector (2pin) [CN17] Connector (5pin) [CN14] Connector (9pin) [CN12] Connector (4pin) [CN13] Connector (12pin) [CN1] Connector (22pin) [CN16] Connector (27pin) [CN18]...
  • Page 22 12 MCU (MCU PWB Unit) PRICE RANK NEW PART PARTS CODE DESCRIPTION MARK RANK Resistor (1/16W 0Ω ±5%) [R123,129,141,175,209,250] Resistor (1/16W 10Ω ±5%) [R103∼105,143,147,154,159,160,163,189,191,207,218,229] Resistor (1/16W 100Ω ±5%) [R134,196,230] Resistor (1/16W 1.0KΩ ±5%) [R109,113,117,118,120,124,131,142,148,151,157,161] Resistor (1/16W 1.0KΩ ±5%) [R203,231,237∼239,242] Resistor (1/16W 10KΩ ±5%) [R106,107,127,128,149,152,158,162,193,204,222,224] Resistor (1/16W 10KΩ...
  • Page 23: (Japan) (Usa) (Japan) (Usa)

    14 GDI (GDI PWB Unit) PRICE RANK NEW PART PARTS CODE DESCRIPTION MARK RANK Connector (36pin) [CN202] Connector (27pin) [CN203] Coil (SBO-02SAN) [L201,203] Capacitor (50WV 100PF) [C222,224∼230,237∼241] Capacitor (50WV 33pF) [C233,234] Capacitor (50WV 560PF) [C235] Capacitor (10WV 47µF) [C203] Capacitor (25WV 4.7uF) [C201] Capacitor (25WV 0.10µF) [C206,223,231,236,242]...
  • Page 24 (Index) PRICE R. JAPAN ONLY PARTS CODE NEW P/R ORDER CODE PRICE R. JAPAN ONLY PARTS CODE NEW P/R ORDER CODE 9- 15 1- 12 8- 54 1-502 8- 42 9- 17 11- 12 1- 24 11- 12 2- 11 8- 29 11-110 1- 11...
  • Page 25: Japan Only

    PRICE R. PRICE R. JAPAN ONLY JAPAN ONLY PARTS CODE PARTS CODE NEW P/R NEW P/R ORDER CODE ORDER CODE 12- 34 12- 91 12- 35 12- 92 12- 36 13- 17 14- 10 9- 18 12- 37 9- 19 9- 20 12- 42 12- 40...
  • Page 26 AL-841...
  • Page 27 AL-841 CAUTION FOR BATTERY REPLACEMENT (Danish) ADVARSEL ! Lithiumbatteri – Eksplosionsfare ved fejlagtig håndtering. Udskiftning må kun ske med batteri af samme fabrikat og type. Levér det brugte batteri tilbage til leverandoren. (English) Caution ! Danger of explosion if battery is incorrectly replaced.
  • Page 28 AL-841 All rights reserved. Printed in Japan. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic; mechanical; photocopying; recording or otherwise without prior written permission of the publisher.

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