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JS-420

Option Copier

SERVICE MANUAL

Code Y112370-6

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Summary of Contents for JS-420

Page 1: ...JS 420 Option Copier SERVICE MANUAL Code Y112370 6...

Page 2: ...PUBLICATION ISSUED BY Olivetti S p A 77 Via Jervis 10015 Ivrea TO Italy Copyright 2010 Olivetti All rights reserved...

Page 3: ...icials for details in your area for proper disposal ATTENTION IL Y A UN RISQUE D EXPLOSION SI LA BATTERIE EST REMPLACEE PAR UN MODELE DE TYPE INCORRECT METTRE AU REBUT LES BATTERIES UTILISEES SELON LE...

Page 4: ...This page is intentionally left blank...

Page 5: ...sonnel to ensure the safety of their customers their machines as well as themselves during maintenance activities Service personnel are advised to read this booklet carefully to familiarize themselves...

Page 6: ...this symbol CAUTION Bodily injury or damage to property may result from insufficient attention to or incorrect compliance with warning messages using this symbol Symbols The triangle symbol indicates...

Page 7: ...or dusty place This may cause fire or electric shock Do not install the copier near a radiator heater other heat source or near flammable material This may cause fire Allow sufficient space around the...

Page 8: ...carefully Always check that the copier is correctly connected to an outlet with a ground connection Check that the power cable covering is free of damage Check that the power plug is dust free If it i...

Page 9: ...trapped wire and missing screws Check that all the caution labels that should be present on the machine according to the instruction handbook are clean and not peeling Replace with new ones if necess...

Page 10: ...This page is intentionally left blank...

Page 11: ...s of the maintenance mode items 1 3 3 1 4 Troubleshooting 1 4 1 Paper misfeed detection 1 4 1 1 Paper misfeed indication 1 4 1 2 Paper misfeed detection conditions 1 4 1 3 Paper misfeeds 1 4 2 1 4 2 E...

Page 12: ...3MK This page is intentionally left blank...

Page 13: ...ze A3 B4 A4 A4R B5 B5R A5R Folio Ledger Legal Letter LetterR StatementR OficioII Tray capacity 100 sheets 80 g m2 Power source Electrically connected to the machine Dimensions 545 W x 450 D x 70 H mm...

Page 14: ...3MK 1 1 2 1 1 2 Parts names Figure 1 1 1 1 2 1 Job separator tray 2 LED Service Manual Y112370 6...

Page 15: ...3MK 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Machine cross section Paper path Y112370 6 Service Manual...

Page 16: ...3MK 1 1 4 This page is intentionally left blank Service Manual Y112370 6...

Page 17: ...w temperature and low humidity an abrupt change in the environmental temperature and cool or hot direct air Avoid places subject to dust and vibrations Choose a surface capable of supporting the weigh...

Page 18: ...ion 1 Job separator 2 Job separator tray 3 Outer case 4 Front pad 5 Rear pad 6 Plastic bag 7 Plastic bag 8 Top pad 9 Plastic bag 10 Left front cover 11 Plastic bag 12 M3 x 8 screw 13 Small pin 14 Larg...

Page 19: ...001 using the cursor up down keys or numeric keys and press the start key Enter the maintenance item number using the cursor up down keys or numeric keys The selected maintenance item is run Press the...

Page 20: ...g system U031 Checking switches for paper conveying Operation panel and support equipment U233 Limiting job separator output MODE0 1 Mode setting U342 Setting the ejection restriction ON 1 2 Initial s...

Page 21: ...t Description Sets a limit of number of output pages from the job separator Purpose Settings may be modified if curled paper is output from the job separator Setting 1 Press the start key 2 Select the...

Page 22: ...l setting ON Details of restriction number of sheets to be ejected continuously after the start key is pressed 3 Press the start key The setting is set Completion Press the stop clear key The screen f...

Page 23: ...feed detection open and close the left cover to turn safety switch off and on 2 Paper misfeed detection conditions Figure 1 4 1 Section Description Conditions Specified time Job sepa rator 51 Misfeed...

Page 24: ...ually Replace the switch if indication of the corresponding switch is not light Feedshift switch job eject switch 2 A paper jam in the eject section is indi cated during copying misfeed in job sepa ra...

Page 25: ...ures corrective measures 1 The feedshift sole noid does not oper ate 1 Poor contact in the con nector terminals Reinsert the connector Also check for continuity within the con nector cable If none rem...

Page 26: ...measures 1 Paper jams Check if the contact between the job eject pul leys and job eject roller is correct Check and remedy 2 Abnormal noise is heard Check if the job eject pulleys job eject roller and...

Page 27: ...b separator Figure 2 1 2 Job separator block diagram 1 5 6 7 4 3 2 8 1 Job eject roller 2 Job eject pulleys 3 Job separator tray 4 Feedshift lever 5 Feedshift solenoid FSSOL 6 Actuator job eject switc...

Page 28: ...hift solenoid FSSOL turns on and the feedshift guide of the machine operates to switch the paper path to the job separator The printed paper is conveyed to the job separator and then ejected to the jo...

Page 29: ...e job separator 2 Ejected paper detection switch EPDSW Detects the presence of paper on the job separator tray 3 Feedshift solenoid FSSOL Operates the feedshift guide of the machine 4 LED PWB LEDPWB I...

Page 30: ...3MK 2 2 2 This page is intentionally left blank Service Manual Y112370 6...

Page 31: ...EJECT AVGR09324L 1 2 Job eject pulleys PULLEY EJECT AVGR01548Z 1 32 Section Maintenance part location Method Maintenance cycle Points and cautions Page Paper con veying sec tion Job eject roller Clea...

Page 32: ...T PGND 10 10 5V 9 9 1 10 SGND DF SEL DF RDY 8 8 2 9 7 7 3 8 6 6 4 7 SDI 5 5 1 5 6 SDO 4 4 2 6 5 SCLK 3 3 3 5V CONVEYING CONVEYING GND 7 4 JCT SOL ACT 2 2 8 3 JCT SOL RET 1 1 9 2 EPWB YC4 Machine 1 10...

Page 33: ...UPDATINGSTATUS DATE UPDATEDPAGES PAGES CODE 06 2010 1ST EDITION 33 Y112370 6...

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