Table of Contents
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[ 1 ] OUTLINE OF THE PRODUCT . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
[ 2 ] SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
[ 3 ] UNPACKING AND INSTALLATION . . . . . . . . . . . . . . . . . . . . . . 3-1
[ 4 ] EXTERNAL VIEW AND INTERNAL CONSTRUCTION . . . . . . 4-1
[ 5 ] OPERATING PRINCIPLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
[ 6 ] DISASSEMBLY AND REINSTALLATION . . . . . . . . . . . . . . . . . 6-1
[ 7 ] ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
[ 8 ] MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
[ 9 ] TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
[10] WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
[11] EXPLANATION OF THE CIRCUITS . . . . . . . . . . . . . . . . . . . . 11-1
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.
SERVICE MANUAL
DIGITAL COPIER OPTION
LARGE-CAPACITY
PAPER FEED TRAY
MODEL
CONTENTS
SHARP CORPORATION
CODE: 00ZARLC1//A1E
AR-LC1
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
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Summary of Contents for Sharp AR-LC1
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Page 1: Table Of Contents
DIGITAL COPIER OPTION LARGE-CAPACITY PAPER FEED TRAY AR-LC1 MODEL CONTENTS [ 1 ] OUTLINE OF THE PRODUCT ......1-1 [ 2 ] SPECIFICATIONS . -
Page 2: 1 ] Outline Of The Product
Note: If this large-capacity paper feed unit is to be installed, it is required to install an optional single-stage paper feed desk (AR-DE1) or special desk (AR-DD1). AR-DE2 AR-LC1 [2] SPECIFICATIONS (1) Paper feed capacity (6) Dehumidifying heater Paper feed capacity... -
Page 3: 3 ] Unpacking And Installation
[3] UPACKING AND INSTALLATION 1. Unpacking Upper cushion Installation manual Lower cushion Packing case Then remove 2 screws from the LCC cover on the copier and remove 2. Installation procedure the LCC cover. Parts included Hole for mounting LCC cover Screw Screws A Mounting plate... - Page 4 • If the axis is flush with the rib: 2. Mount the connecting plate to the large capacity tray. Note: Before mounting the connecting plate to the large capacity Push the large capacity tray toward the copier. tray, be sure to remove the 2 step screws for securing the bottom plate.
- Page 5 To use the large capacity tray without changing the paper size from 5. Connect the connector of the large capacity tray. the factory default setting: Remove the connector cover securing screw for connection of the large capacity tray relay harness connector and remove the connec- Proceed to step 12 of this installation manual.
- Page 6 9. Switch the size of side plates F and R 12. Adjust the center position. Remove the screws which secure the upper and lower parts of side Since adjustment has been made at shipment, adjustment is basically plates F and R and remove side plates F and R. not needed.
- Page 7 • In case of Fig. 1: Move the tray lock plate in direction A by the length of displacement, tighten the 2 screws at portion a and then the 8 screws at portion b, and make a copy again to check that the center is not displaced. Fig.
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Page 8: 4 ] External View And Internal Construction
[4] EXTERNAL VIEW AND INTERNAL CONSTRUCTION 1. External view 1. Tray down button/lamp The tray can be opened by pressing the button. Use this button when adding paper or paper jam occurs. 2. Main parts Name Name Transport roller Paper feed roller Hitching roller Reversion roller Tray... - Page 9 PWB location Name Function and operation Control PWB Controlling LCC Tray switch PWB Tray lifting switch Motor, clutch, solenoid, motor 3 LPFC 4 LPFS 1 LPFM 2 LLM 5 HT Motor Symbol Name Function and operation LPFM Paper feed and transport motor Driving paper feed and transport systems Lift-up motor Driving tray lifting up...
- Page 10 Sensor, detector location 2 LLSW 4 LUD 3 LPED 1 LPFD 7 LTOD 5 LRES 6 LDD Symbol Name Function and operation LPFD Transport detector Detecting paper discharge LLSW Upper limit lock switch Detecting tray upper limit lock (Shutting off motor as a safety device.) LPED Paper detector Detecting the presence of paper...
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Page 11: 5 ] Operating Principle
[5] OPERATING PRINCIPLE Lifting (no paper, descending from top to bottom) Descending starts 1. Lift-up operation 100msec LLMD When the copier is powered up, the main circuit checks the detection LLMU state of each sensor. If the upper limit detector (LUD) is OFF, the lift-up motor is turned on to elevate the tray till the position which allows paper feed (upper limit detector ON). - Page 12 [6] DISASSEMBLY AND ASSEMBLY 1. Transport section (Paper feed roller) 2. Paper feed section A. Paper feed unit 6 – 1...
- Page 13 B. Paper feed roller, take-up roller C. Reverse roller 3. Control PWB Note 1: When installing the paper feed roller, be careful of the install- ing direction. … *1 Note 2: When installing the paper feed clutch, check that the clutch stopper is caught by the pawl.
- Page 14 4. Paper feed/transport motor 5. Lift-up motor 6 – 3...
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Page 15: 7 ] Adjustment
[7] ADJUSTMENT Lift-up motor (LLM) installing position adjustment Install the motor so that the lift-up motor shaft comes to the center of the insertion port of the lift-up motor installing plate shaft. 7 – 1... -
Page 16: 8 ] Maintenance
[8] MAINTENANCE Make sure to disconnect the phone line/communication cable from the copier before performing maintenance, because receiving the signal during maintenance is dangerous. 1. Maintenance system table : lubrication ×: checking (cleaning, replacement or adjustment as required) F: cleaning Unit name Name 160K... - Page 17 B. Paper feed and transport section Name Operation Cycle Remarks Transport roller Cleaning Paper feed guide Cleaning Paper feed roller Check Replacement period (80K or 2 years) Reversion roller Check Replacement period (80K or 2 years) Hitching roller Check Replacement period (80K or 2 years) Torque limiter Check Replacement period (80K or 2 years)
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Page 18: Troubleshooting
If a trouble occurs, check the cause of the trouble using the following [9] TROUBLESHOOTING flow charts. N: No Y: Yes 1. Trouble code list A. LCC does not operate Trouble Trouble Trouble Remarks code detection LCC lift motor trouble —... - Page 19 B. Lift motor error C. Transport motor error Check mechanical load Is load on motor Is fuse blown out? Replace fuse. and driving system, and shaft normal? remove any foreign matter. Check mechanical load Connect harness properly. Is harness Is load on motor and driving system, and Check and if necessary connected properly?
- Page 20 E. Clutch and solenoid error F. No paper is fed Is each load Check mounting and if Is paper feed Check mechanical load and properly installed? necessary replace. rollers contaminated driving system. Remove any with paper dust? foreign matter and clean. Conductivity between coils of Replace clutch or solenoid.
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Page 21: Wiring Diagram
[10] WIRING DIAGRAM Copier CN-RL 4 6 7 5 11 12 9 10 CN-HT 2 4 5 3 9 10 CN-B CONTROL CN-A CN-KT 12pin CN-3 5V(LUD) LUD/ GND2(LUD) CN-A CN-4 CN-11 CN-DT 12pin 5V(LPED) 22 5V(LRE) LPED/ LPED 24 LRE/ GND2(LPED) 26 GND2(LRE) CN-12... -
Page 22: Block Diagram
Control circuit Block diagram Upper limit sw (LLSW) CPU(H8/3294) RXD- Lift motor drive TXD- Lift motor (LLM) circuit DSR- DTR- Paper amount detection RES- sensor (LRE) Operation unit Paper feed clutch (LPFC) Solenoid drive 8MHz circuit Paper feed solenoid (LPFS) GND2 Xtal Copier... -
Page 23: Explanation Of The Circuits
[11] EXPLANATION OF THE CIRCUITS 1. Operation (1) Communication buffer circuit On the communication buffer circuit, signals are input and output by the transistor array TD62504 (IC02). 4.7K x 2 4.7K x 4 IC02C CPU(IC01) 1SS133 x 4 TXD-LCC CN-B-1 P51/RXD P46/CLK DTR-LCC/... - Page 24 (4) Solenoid and clutch drive circuit The solenoids and clutches are driven by a Darlington transistor array TD62004AP with 7-circuit clamp diode. LPFS is turned on when the CPU’s port output is at H. LPFC has the same circuit. +24V 9A12004B CPU(IC01) LPFS/...
- Page 25 (7) 24V power detection line The line monitors 24V power. If the 24V power fed from the copier is not 24V, the level becomes L and the 24V power error is sent to the copier. P36/D6 4.7K (8) Cassette detection line This line has the same circuit as each sensor.
- Page 26 LLED/ P30/D0 P27/A15 P31/D1 P32/D2 P67/TMO1 P33/D3 P66/FTOB/TMRI1 P34/D4 P65/FTID/TMCI1 LCD2 PWM/ P35/D5 P64/FTIC/TMO0 /24VM P36/D6 P63/FTIB/TMRI0 P37/D7 P62/FTIA P40//ADTRG//IRG P61/FTOA P41//IRQ1 P60/FTCI/TMCI0 P42//IRQ0 AVCC P43//RD P77/AN7 SW1-4 P44//WR P76/AN6 SW1-3 P45//AS P75/AN5 DTR-LCC DTR-LCC SW1-2 P46/CLK P74/AN4 YOBI SW1-1 P47//WAIT P73/AN3 11 –...
- Page 27 11 – 5...
- Page 28 11 – 6...
- Page 29 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. Replace only with the same or equivalent type recommended by the manufacturer.
- Page 30 COPYRIGHT 1998 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.