Advertisement

Quick Links

[ 1 ] GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1
[ 2 ] SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . 1 - 1
[ 3 ] EXTERNAL VIEWS AND INTERNAL STRUCTURE . . . . 3 - 1
[ 4 ] UNPACKING AND INSTALLATION . . . . . . . . . . . . . 4 - 1
[ 5 ] OPERATIONAL DESCRIPTIONS . . . . . . . . . . . . . . 5 - 1
[ 6 ] DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . 6 - 1
[ 7 ] ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . 7 - 1
[ 8 ] SIMULATION, TROUBLE CODES . . . . . . . . . . . . . . 8 - 1
[ 9 ] USER PROGRAMS . . . . . . . . . . . . . . . . . . . . . . 9 - 1
[10] ELECTRICAL SECTION . . . . . . . . . . . . . . . . . .
[11] CIRCUIT DIAGRAM
PARTS GUIDE
Parts marked with " " is 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.
DIGITAL COPIER
MODEL
* This Service Manual describes only the differences from
CONTENTS
. . . . . . . . . . . . . . . . . . . .
SHARP CORPORATION
CODE: 00ZAL1550/A1E
AL-1550
the AL-1250. For the common items with the AL-1250,
please refer to the AL-1250 manual.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
AL-1550
10 - 1
11 - 1

Advertisement

Table of Contents
loading

Summary of Contents for Sharp AL-1550

  • Page 1 AL-1550 CODE: 00ZAL1550/A1E DIGITAL COPIER AL-1550 MODEL * This Service Manual describes only the differences from the AL-1250. For the common items with the AL-1250, please refer to the AL-1250 manual. CONTENTS [ 1 ] GENERAL ......1 - 1 [ 2 ] SPECIFICATIONS .
  • Page 2: Specifications

    AL-1550 3. Copy performance [1] GENERAL Section item Details 1. Main features 9.6sec. (Pre-heat A. Duplex copy mode: 16sec. or delow/Auto power- The digital system allows automatic duplex copying in the sequence of shut-off mode: pages by face down. Tray paper 23sec.
  • Page 3 AL-1550 Section item Details Same size: 4.0mm or less Enlarge (200): Ieading edge 3.0mm or less Reduction (50): Image loss 7.0mm or less R-SPF (Without Same size: 4.0mm Duplex) or less Enlarge (200): Trailing edge 2.0mm or less Reduction (50): 8.0mm or less...
  • Page 4: External Views And Internal Structures

    AL-1550 [3] EXTERNAL VIEWS AND INTERNAL STRUCTURES 1. Appearance SPF XD103f/ 105f/ 120f ADF XD155df only Control panel Document glass Original exit area Original guides Original feeder tray Document cover Side cover Paper tray bypass paper guides Alternate paper tray...
  • Page 5: Control Panel

    AL-1550 2. Control Panel 200% Max 129% Auto 10 0% The control panel has keys and lights that are used to control and display the conditions of the WorkCentre. Book Mode (XD104/124f only): Select 1-Sided/2-Sided Mode (XD155df only): Image Quality Mode: The image quality...
  • Page 6: Unpacking And Installation

    AL-1550 5) Lift and pull open the paper tray. [4] UNPACKING AND INSTALLATION Turn and remove the paper tray button. 1. CHECKING PACKED COMPONENTS CAUTION: Paper will misfeed if the paper AND ACCESSORIES tray button is not removed. For the XD 120f/124f/155df copier only As you unpack the WorkCentre, familiarize yourself with its contents.
  • Page 7: Paper Tray 2

    AL-1550 17) Plug the power cord into the WorkCentre and then into a grounded outlet. 18) Turn on the power switch. In approximately two seconds the ready indicator will light. Copying is now possible. Note: Save the carton and packing materials.
  • Page 8: Operational Descriptions

    AL-1550 C. Back copy [5] Operational descriptions Document transport: By switchback operation, the document is sent 1. D-D (Duplex to Duplex) mode through the PS roller to the exposure section, paper/document transport where the back of the document is exposed.
  • Page 9: Simulation, Trouble Codes

    AL-1550 [8] SIMULATION, TROUBLE CODES 1. Contents of simulations Main code Sub code Content Main body duplex setting (Operation/procedure) 1. When this simulation is executed, the currently set duplex code number is displayed. 2. ??????? Code number Duplex Without Duplex...
  • Page 10 AL-1550 Main code Sub code Content Resist amount adjustment (Outline) Used to adjust the contact pressure of paper onto the copier resist roller and the RSPF resist roller. (Operation/Procedure) 1. When this simulation is executed, the currently set value is displayed.
  • Page 11: User Program

    AL-1550 [9] USER PROGRAM The conditions of factory setting can be changed according to the use conditions. 1. Functions which can be set with the user program Function Contents Factory setting When a certain time is passed after completion of copying, this function returns to the initial state Auto clear.
  • Page 12: Electrical Section

    AL-1550 [10] ELECTRICAL SECTION 1. Block diagram A. Overall block diagram 10 – 1...
  • Page 13 AL-1550 B. Main PWB block diagram 10 – 2...
  • Page 14: Circuit Descriptions

    AL-1550 2. Circuit descriptions A. Main PWB (MCU) (1) CPU signal table The additional signal is as follows: Pin No. Signal name In/Out During operation SPPD Input SPF paper transport detection signal SIN3 Input Sensor input 3 DMT3 Motor Output...
  • Page 15 AL-1550 (4) Mirror motor circuit The mirror motor is a stepping motor. Its driver is IC113 constant-current chopper control IC (SLA7024). For control, the CPU outputs a drive signal to IC113 to drive the mirror motor by 1-2 phase excitement.
  • Page 16: Circuit Diagram

    AL-1550 [11] CIRCUIT DIAGRAM 11 – 1...
  • Page 17 AL-1550 11 – 2...
  • Page 18 AL-1550 11 – 3...
  • Page 19 AL-1550 11 – 4...
  • Page 20 AL-1550 11 – 5...
  • Page 21 AL-1550 11 – 6...
  • Page 22 AL-1550 11 – 7...
  • Page 23 AL-1550 11 – 8...
  • Page 24 AL-1550 11 – 9...
  • Page 25 AL-1550 11 – 10...
  • Page 26 AL-1550 COPYRIGHT © 1999 BY SHARP CORPORATION 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.

Table of Contents