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Control circuit

Block diagram

RXD-

TXD-

DSR-

DTR-

RES-

VCC

GND2

+24V

GND1

24V

10V

8MHz

Xtal

CPU(H8/3294)

24V

10V

LLED

Copier

Communication

buff

r circuit

Power supply
monitoring unit

Power supply
10 V circuit

Operation unit

Large-capacity tray control PWB

Large-capacity tray

Lift motor drive
circuit

Solenoid drive
circuit

LED lighting circuit

Sensor input
circuit

Transfer motor
drive circuit

Upper limit sw (LLSW)

Lift motor (LLM)

Paper amount detection
sensor (LRE)

Paper feed clutch (LPFC)

Paper feed solenoid (LPFS)

Cassette detection line (LCD)

Transfer motor (LPFM)

Upper limit detection sensor (LUD)

Lower limit detection sensor (LDD)

Paper detection sensor (LPED)

Paper delivery detection sensor
(LPFD)

Copier connection sensor

Door open switch (LDSW)

10 – 2

Содержание AR-LC1

Страница 1: ... 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 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 WIRI...

Страница 2: ... empty detection Detector 0 empty 25 50 75 100 Paper size detection None 3 Paper size Paper size A4 B5 Paper weight 56 105 g m2 14 28 lbs Same as the copier s paper feed section 4 Size switching Switching to be performed by service personnel 5 Size detection Size detection Setting by simulation 6 Dehumidifying heater Yes No Yes ON OFF switch ON OFF by dehumidification heater switch on the copier 7...

Страница 3: ...on the copier and lower part of the stand using a Phillips screwdriver etc and remove burs using a flat blade screwdriver etc Mount the upper mounting plates using screws A two for each plate Then remove 2 screws from the LCC cover on the copier and remove the LCC cover Securing plate 1 pc Upper mounting plates 2 pcs Mounting plate 1 pc Connecting plate 1 pc Screws A 6 pcs Screw B 1 pc Screws C 2 ...

Страница 4: ...capacity tray toward the copier and adjust the tray and check it so that the rib of the large capacity tray is flush with the axis of the mounting plate which has been mounted to the copier as shown in the figure If the axis is flush with the rib Push the large capacity tray toward the copier If the axis is not flush with the rib Loosen the 2 screws of the installation adjuster mounting plate lo c...

Страница 5: ...tch to the ON position Factory default setting A4 size The paper size can be switched only to the B5 size To use the large capacity tray after changing the paper size from the factory default setting 7 Remove the stopper from the paper tray Pull out gently the paper tray until it stops and remove the stopper securing screw located on the lower part of the right side to remove the stopper Then pull...

Страница 6: ...on of the copier The LCC size selection window will be displayed in the message display with the operation above Select the number of the size to be registered in the message dis play enter the number using the keys on the operation panel and press the OK key to register it Then turn the power switch to the OFF position and then to the ON position again 12 Adjust the center position Since adjustme...

Страница 7: ...in to check that the center is not displaced In case of Fig 2 Move the tray lock plate in direction B 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 1 Center line of paper Center of image first image Center line of paper Center of image first image Fig 2 3 5 ...

Страница 8: ...ray can be opened by pressing the button Use this button when adding paper or paper jam occurs 2 Main parts No Name No Name 1 Transport roller 2 Paper feed roller 3 Hitching roller 4 Reversion roller 5 Tray 6 Lift up unit 7 Encoder 8 Height adjustment unit 9 Caster 1 1 2 3 4 5 6 7 8 9 4 1 ...

Страница 9: ...ansport motor Driving paper feed and transport systems 2 LLM Lift up motor Driving tray lifting up Clutch and solenoid No Symbol Name Function and operation 3 LPFC Paper clutch Driving paper clutch 4 LPFS Pick up solenoid Operating pick up roller Motor No Symbol Name Function and operation 5 HT Dehumidifying motor Dehumidifying paper and preventing condensation of dew 1 2 4 LPFS 3 LPFC 1 LPFM 2 LL...

Страница 10: ... Shutting off motor as a safety device 3 LPED Paper detector Detecting the presence of paper 4 LUD Upper limit detector Detecting tray upper limit position 5 LRES Encoder sensor Controlling lifting up 6 LDD Lower limit detector Detecting tray lower limit position 7 LTOD Copier connection detector Detecting connection to copier 1 LPFD 7 LTOD 5 LRES 6 LDD 2 LLSW 4 LUD 3 LPED 4 3 ...

Страница 11: ...ending 3 Paper feeding When copying is started the transport motor LPFM starts Then the pick up solenoid LPFS and paper feed clutch LPFC turn on When the solenoid is turned on the paper hitching roller is lowered to contact the paper When the clutch is turned on both the paper feed roller and the hitching roller rotate to start paper feeding The paper is sent through the transport sensor D to the ...

Страница 12: ... 6 DISASSEMBLY AND ASSEMBLY 1 Transport section Paper feed roller 2 Paper feed section A Paper feed unit 1 2 1 1 2 2 3 4 6 5 5 7 1 1 2 1 2 3 2 2 6 1 ...

Страница 13: ...hen 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 2 C Reverse roller 3 Control PWB 1 2 3 4 5 6 6 2 1 rib 1 2 3 1 2 6 2 ...

Страница 14: ...4 Paper feed transport motor 5 Lift up motor 1 2 3 1 2 3 2 2 6 3 ...

Страница 15: ... 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 ...

Страница 16: ...me 80K 160K 240K 320K Remarks Driving section Paper feed and transport gear Lift up gear Transport section Transport roller F F F F Paper guide F F F F Paper feed section Paper feed roller Replacement period 80K or 2 years Reversion roller Replacement period 80K or 2 years Hitching roller Replacement period 80K or 2 years Torque limiter 2 Details of maintenance A Driving section No Name Operation ...

Страница 17: ... 2 Paper feed guide Cleaning 80K 3 Paper feed roller Check 80K Replacement period 80K or 2 years 4 Reversion roller Check 80K Replacement period 80K or 2 years 5 Hitching roller Check 80K Replacement period 80K or 2 years 6 Torque limiter Check 80K Replacement period 80K or 2 years 4 6 3 5 2 1 1 8 2 ...

Страница 18: ...t by turning on and off power supply Check communication line connector and harness 21 Content LCC transport motor trouble Detail LCC transport motor operation trouble Cause Motor lock Motor speed error Overcurrent to motor LCC control PWB defective Check and remedy Check transport motor operation with SIM4 3 22 Content LCC24V power supply error Detail No power supply 24V to LCC Cause Connector Ha...

Страница 19: ...essary replace Is voltage applied to motor connector Check and if necessary replace motor Check and if necessary replace control PWB C N Y N Y N Y N Y Y N Is load on motor shaft normal Is harness connected properly Does motor rotate even slightly Is motor encoder output normal Is voltage applied to motor connector Check and if necessary replace motor Check and if necessary replace control PWB Conn...

Страница 20: ...or normal Sheets are fed one by one Replace control PWB Use specified paper Remove foreign matter Is paper feed unit properly assembled Is separation roller contaminated with paper dust Replace separation roller Check paper feed unit and if necessary replace Clean N Y N Y N Y N Y N Y F C E E Is paper feed rollers contaminated with paper dust Does roller rotate Does pick up roller drop at paper fee...

Страница 21: ...CN 2 7 U PL LB PK 8 V 9 W 9 8 7 CN 10 4 HV LB PK GY 5 HW 6 GND1 2 1 5 1 5V BL BR PL 2 RE 3 HU 4 6 3 CN C LPFM 22 5V LRE BL BR GY 24 LRE 26 GND2 LRE 1 2 3 LRE 1 2 6 BL BR GY 21 5V LDD BL PL GY 23 LDD 25 GND2 LDD 1 2 3 LDD 11 3 7 BL PL GY CN 11 CN 12 CN DT 12pin CN A 28 LCD PK LB BR 27 LDSW 29 LLED TRAY SW PWB 8 9 10 GY LB BR CN 13 3 2 1 3 LLM RD PK 4 LLM 4 5 RD GY PK CN 14 1 2 3 12 GY GY LIFT MOTO ...

Страница 22: ...ray Lift motor drive circuit Solenoid drive circuit LED lighting circuit Sensor input circuit Transfer motor drive circuit Upper limit sw LLSW Lift motor LLM Paper amount detection sensor LRE Paper feed clutch LPFC Paper feed solenoid LPFS Cassette detection line LCD Transfer motor LPFM Upper limit detection sensor LUD Lower limit detection sensor LDD Paper detection sensor LPED Paper delivery det...

Страница 23: ...sor LUD position the switch is turned on to shut off the power of the lift motor 2 P51 RXD 6 P46 CLK 1 P50 TXD 3 P52 SCK 3 14 2 15 12 5 10 7 CPU IC01 4 7K x 2 4 7K x 4 IC02C IC02B IC02E IC02G TD62504F TD62504F TD62504F TD62504F 1SS133 x 4 D04 D05 D09 D10 D01 D02 D07 D08 1SS133 x 4 5V TXD LCC DTR LCC RXD LCC DSR LCC CN B 1 CN B 3 CN B2 CN B 4 5V D23 1SS133 R94 22K R95 22K BR04 4 7K 38 LPFD R79 10K ...

Страница 24: ...the PWM signal On duty is decreased to maintain the required speed As the current flowing to the motor becomes large the input voltage at the minus side of the IC09 rises If the voltage exceeds the plus side input voltage output voltage at IC09 becomes at L level leading in the PWM signal to turn off the transistor of IC07 so that the current to the motor is cut off setting 3A 24V CPU IC01 P10 A0 ...

Страница 25: ...sensor When the LCC cassette door is opened the CPU becomes at H level when the door is closed the line is connected to GND and the CPU becomes at L level 9 LED lighting circuit This is the LED lighting circuit for the cassette door switch When the CPU outputs the L signal the LED comes on 24V R04 22K R05 4 7K 55 P36 D6 5V BR04 4 7K P26 A14 33 R84 10K 1000p Drawer connector 5V BR04 2 2K P27 A15 32...

Страница 26: ...ID TMCI1 P66 FTOB TMRI1 P67 TMO1 VCC P25 A13 34 P24 A12 35 P23 A11 36 P22 A10 37 P21 A9 38 P20 A8 39 VSS 40 P17 A7 41 P16 A6 42 P15 A5 43 P14 A4 44 P13 A3 45 P12 A2 46 P11 A1 47 P31 D1 50 P32 D2 51 P33 D3 52 P34 D4 53 P35 D5 54 P36 D6 55 P37 D7 56 P40 ADTRG IRG 57 P41 IRQ1 58 P42 IRQ0 59 P43 RD 60 P44 WR 61 P45 AS 62 P46 CLK 63 R94 22K R95 22K R81 10K R96 220 1 4W R97 220 1 4W CN A 15 CN A 21 C35 ...

Страница 27: ...E 7 GND 9 R19 2 7K D22 RD11EB C18 C20 D21 1SS133x2 R34 1K R36 1K IC07 STA457C 1 1 6 6 5 5 10 10 9 9 4 4 8 8 3 3 2 2 7 7 R38 10K R39 10K R40 3 9K C31 0 1uF CN A 3 CN A 4 C29 0 1U R32 1K 1 4W FR01 100 1 4W Q02 2SC1472K C30 0 1U R37 1K D20 R35 1K CN C 2 R29 360 R27 2 4K C27 0 1U C34 0 1U R77 10K IC12D TD62504F 4 13 IC12A TD62504F 1 16 IC12B TD62504F 2 15 IC12C TD62504F 3 14 IC09B LM393 5 6 7 IC04D UL...

Страница 28: ...SW LLED 24V LLSW LLM LPFC LPFS 5V LPED LPED GND2 LPED 5V LTOD LTOD GND2 LTOD 5V LRE LRE GND2 LRE LCD1 LCD2 CN A B30B PHDSS CN B B10B PHDSS TXD LCC DTR LCC RES LCC 5V 24V RXD LCC DSR LCC GND2 GND2 GND1 CN C B9B EH A 5V RE HU HV HW GND2 U V W 2 11 1 3 4 6 5 8 7 10 9 12 13 14 16 15 17 18 20 19 21 22 24 23 25 26 28 27 29 30 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 11 6 ...

Страница 29: ...eellisesti asennettu Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin Hävitä käytetty paristo valmistajan ohjeiden mukaisesti French ATTENTION Il y a danger d explosion s il y a remplacement incorrect de la batterie Remplacer uniquement avec une batterie du même type ou d un type équivalent recommandé par le constructeur Mettre au rebut les batteries usagées conformément aux inst...

Страница 30: ...red 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 SHARP CORPORATION Printing Reprographic Systems Group Quality Reliability Control Center Yamatokoriyama Nara 639 1186 Japan 1998 May Printed in Japan S ...

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