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3LM-1

1-3-3

(3) Contents of maintenance mode items

Maintenance

item No.

Description

U019

Displaying the ROM version
Description

Displays the part number of the ROM fitted to each PWB.

Purpose

To check the part number or to decide, if the newest version of ROM is installed.

Method

1. Press the start key. The ROM version are displayed.
2. Change the screen using the cursor up/down keys.

Completion

Press the stop key. The screen for selecting a maintenance item No. is displayed.

Display

Description

MAIN

Main ROM IC

MMI

Operation ROM IC

ENGINE

Engine ROM IC

ENGINE BOOT

Engine booting

SCANNER

Scanner ROM IC

BROWSER

Browser ROM IC

OPTION LANGUAGE

Optional language ROM IC

DICTIONARY

DBA

Database connection

Solution Framework

Framework

MOTOR CPU

Motor CPU

MOTOR CPU BOOT

Motor CPU booting

H VLT CPU

High voltage CPU

H VLT CPU BOOT

High voltage CPU booting

SLEEP CPU

Sleep CPU

SLEEP CPU BOOT

Sleep CPU booting

Optional DP ROM IC

500x2PF

Paper feeder ROM IC

3000PF

Optional 3000-sheet paper feeder ROM IC

1000DF

Optional document finisher ROM IC

3000DF MAIN

Optional 3000-sheet document finisher main ROM IC

3000DF MIDDLE

Optional 3000-sheet document finisher Inner tray ROM IC

MAIL BOX

Optional mailbox ROM IC

BOOKLET

Optional center-folding unit ROM IC

FAX BOOT1

Optional fax control PWB booting (port 1)

FAX APL1

Optional fax control PWB APL (port 1)

FAX IPL1

Optional fax control PWB IPL (port 1)

FAX BOOT2

Fax control PWB booting (port 2: optional dual FAX)

FAX APL2

Fax control PWB APL (port 2: optional dual FAX)

FAX IPL2

Fax control PWB IPL (port 2: optional dual FAX)

Y1120

Service Manual

Содержание PF-720

Страница 1: ...PF 720 Option Copier SERVICE MANUAL Code Y112020 4...

Страница 3: ...This page is intentionally left blank...

Страница 4: ...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...

Страница 5: ...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...

Страница 6: ...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...

Страница 7: ...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...

Страница 8: ...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...

Страница 9: ...This page is intentionally left blank...

Страница 10: ...lf diagnosis 1 4 5 1 Self diagnostic function 1 4 5 2 Self diagnostic codes 1 4 5 1 4 3 Electric problems 1 4 7 1 4 4 Mechanical problems 1 4 9 1 5 Assembly and Disassembly 1 5 1 Precautions for assem...

Страница 11: ...3LM This page is intentionally left blank...

Страница 12: ...II 8 5 x 13 5 Letter LetterR Excutive ExcutiveR StatementR 8K 16K 16KR Paper weight 60 to 163 g m2 Paper types Standard recycled color Power source Electrically connected to the machine Dimensions 585...

Страница 13: ...3LM 1 1 2 1 1 2 Parts names Figure 1 1 1 2 6 3 5 4 4 1 1 Left cover 4 2 Cassette 3 3 Cassette 4 4 Paper width guides 5 Paper width adjusting tab 6 Paper length guide Service Manual Y112020 4...

Страница 14: ...3LM 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Machine cross section Paper path Y112020 4 Service Manual...

Страница 15: ...3LM 1 1 4 This page is intentionally left blank Service Manual Y112020 4...

Страница 16: ...humidity abrupt ambient temperature changes and hot or cold air directed onto the machine Avoid dust and vibration Choose a surface capable of supporting the weight of the machine Place the machine o...

Страница 17: ...3LM 1 2 2 1 2 2 Unpacking 1 Precaution for unpacking Hold the positions shown in the figure and remove the paper feeder from the outer case Figure 1 2 1 Service Manual Y112020 4...

Страница 18: ...r installation 1 Paper feeder 2 Outer case 3 Inner case 4 Bottom left pad 5 Bottom right pad 6 Upper left pad 7 Upper right pad 8 Plastic sheet 9 Plastic bag 10 Installation guide 11 Paper size plates...

Страница 19: ...3LM 1 2 4 3 Remove the tapes Procedure 1 Remove three tapes Figure 1 2 3 Tape Tape Tape Service Manual Y112020 4...

Страница 20: ...and the memory indicator are off before turning off the main power switch And then unplug the power cable from the wall outlet 2 Remove cassette 3 and 4 3 Attach the cassette heater using the two M4 x...

Страница 21: ...3LM 1 2 6 This page is intentionally left blank Service Manual Y112020 4...

Страница 22: ...er 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...

Страница 23: ...t start timing LSUOUT TOP LSUOUT LEFT LSUOUT TOP B W 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Operation panel and support equipment U247 Setting the paper feed device Mode setting U341 Specific...

Страница 24: ...ection Solution Framework Framework MOTOR CPU Motor CPU MOTOR CPU BOOT Motor CPU booting H VLT CPU High voltage CPU H VLT CPU BOOT High voltage CPU booting SLEEP CPU Sleep CPU SLEEP CPU BOOT Sleep CPU...

Страница 25: ...size paper is used 3 0 to 3 0 0 0 1 mm LSUOUT TOP MPT Half L Paper feed from MP tray when large size thick paper is used 3 0 to 3 0 0 0 1 mm LSUOUT TOP CAS L Paper feed from cassette when large size...

Страница 26: ...ce mode Maintenance item No Description Display Description Setting range Default setting Change in value per step LSUOUT TOP MPT L B W Paper feed from MP tray when large size paper is used 3 0 to 3 0...

Страница 27: ...llowing adjustments in maintenance mode Completion Press the stop key The screen for selecting a maintenance item No is displayed Maintenance item No Description Display Description Setting range Defa...

Страница 28: ...on only for printer output A paper feed location specified for printer output cannot be used for copy output Method 1 Press the start key 2 Select the paper feed location for the printer Two or more c...

Страница 29: ...t displayed Clearing 1 Select the counts to be cleared CASETTE 3 CASETTE 4 and LCF cannot be cleared 2 Select the counts for all and press ALL CLEAR 3 Press the start key The counts is cleared Complet...

Страница 30: ...the machine immediately stops copying and displays the jam location on the operation panel Paper misfeed detection can be reset by opening and closing the left cover 3 to turn left cover 3 switch off...

Страница 31: ...ecified time of PF paper feed clutch 2 PFPFCL2 turning on and cannot be detected at the same timing even after retry 2853 ms 2324 ms 2112 ms 19 Misfeed in paper feeder paper con veying section Feed sw...

Страница 32: ...ed from cassette 4 Jam code 13 Paper is extremely curled Change the paper Check if the paper feed pul ley forwarding pulley and separation pulley of cas sette 4 are deformed Check visually and replace...

Страница 33: ...problem with PF paper feed clutch 1 Check see page 1 4 7 5 A paper jam in the paper feed section is indicated during copying multiple sheets in cassette 4 Jam code 25 Broken PF feed switch actuator Ch...

Страница 34: ...ift motor 1 Defective PF lift switch 1 Check if YC1 7 on the PF main PWB goes low when PF lift switch 1 is turned off If not replace PF lift switch 1 C1040 PF lift motor 2 error After cassette 4 is in...

Страница 35: ...replace or repair optional paper feeder C2600 PF paper conveying motor error The lock signal of the motor is detected above 450 ms Poor contact in the connector termi nals Check the connection of con...

Страница 36: ...YC2 5 PF paper feed clutch 2 YC2 6 PF paper conveying clutch YC2 4 4 The PF lift motor 1 2 does not operate 1 Broken motor coil Check for continuity across the coil If none replace the motor 2 Poor c...

Страница 37: ...for continuity within the con nector cable If none remedy or replace the cable 2 Defective left cover 4 switch Check for continuity across the contacts If there is no continuity when the left cover 4...

Страница 38: ...the cassette installed incorrectly Check the paper width guide visually and remedy or replace if necessary Deformed paper width guide in the cassette Check the paper width guide visually and remedy o...

Страница 39: ...3LM 1 4 10 This page is intentionally left blank Service Manual Y112020 4...

Страница 40: ...cause damage to the equipped hard disk When handling PWBs printed wiring boards do not touch parts with bare hands The PWBs are susceptible to static charge Do not touch any PWB containing ICs with ba...

Страница 41: ...n pulleys as follows Procedure Removing the primary paper feed units 1 Remove cassette 3 and 4 2 Remove the screw and then remove the front upper cover Figure 1 5 1 3 Remove each screw and then remove...

Страница 42: ...ull the paper forwarding pulley shaft and remove the forwarding pulley Figure 1 5 4 Removing the paper feed pulley 7 Remove two stop rings from the primary paper feed unit 8 Pull the paper feed pulley...

Страница 43: ...rrow and remove the separation pulley Figure 1 5 6 11 Replace the forwarding paper feed and separation pulleys 12 Refit all the removed parts When refitting the forwarding pulley orient it correctly a...

Страница 44: ...Remove the cassette 2 Remove two screws and 8 pin socket from the rear of the cassette 3 Detach the 8 pin connector of the PF paper size width switch from the 8 pin socket 4 Remove three screws holdin...

Страница 45: ...ly the specified grease to the printed surface of the new PF paper size width switch shaded area in the diagram and fit the switch to the rack adjuster 8 Refit all removed parts Figure 1 5 10 Rack adj...

Страница 46: ...PF paper conveying clutch 1 Remove the primary paper feed units see page1 5 2 2 Remove three screws and then remove the rear cover Figure 1 5 11 3 Release three wire saddles 4 Remove the connector 5 R...

Страница 47: ...remove the drive unit Figure 1 5 13 9 Remove two screws and then remove the PF drive motor from the drive unit Figure 1 5 14 Connector A Connector A Connector B Connector C Drive unit Connector B Wir...

Страница 48: ...the PF paper conveying clutch PF paper feed clutch 1 and 2 14 Refit all removed parts Caution When fitting the clutches be sure to refit the whirl stops After fitting the drive unit fit the primary pa...

Страница 49: ...r and change the position of the adjuster If the test pattern output example looks like 1 turn the adjusting screw clockwise move the adjuster in the direction of the black arrow If the test pattern o...

Страница 50: ...y the paper into the machine Figure 2 1 1 7 5 15 1 2 3 8 10 11 6 12 7 1 2 3 4 14 9 6 13 1 Forwarding pulley 2 Paper feed pulley 3 Separation pulley 4 Feed roller 5 Feed pulley 6 Cassette operation pla...

Страница 51: ...YC3 11 12 13 YC3 1 2 3 YC8 3 YC8 1 YC2 8 10 YC2 13 16 YC2 12 14 YC2 11 15 YC4 3 FCL REM UFCL REM LFCL REM UCLLSW UCPESW LCLLSW LCPESW LFEED SW LO DIG0 1 2 UP DIG0 1 2 UPCLE SW LPCLE SW LLM OUT LO SIG...

Страница 52: ...cassette 3 8 PF paper size length switch 2 PFPLSW2 Detects the length of paper in cassette 4 9 PF paper size width switch 1 PFPWSW1 Detects the width of paper in cassette 3 10 PF paper size width swi...

Страница 53: ...3LM 2 2 2 This page is intentionally left blank Service Manual Y112020 4...

Страница 54: ...E SW PFPLSW1 LPCLE SW PFPLSW2 UCPESW PFPSW1 UCLLSW PFLSW1 LCPESW PFPSW2 LCLLSW PFLSW2 UP DIG0 1 2 START STOP CLOCK GAIN CW CCW LD ULM OUT UP SIG1 2 LLM OUT LO SIG1 2 FCL REM UFCL REM LFCL REM PFPWSW1...

Страница 55: ...3LM 2 3 2 Figure 2 3 2 PF main PWB silk screen diagram YC7 YC5 U2 U1 U5 U7 U8 U6 U3 YC3 YC1 YC2 YC6 YC8 YC4 5 14 1 2 13 2 1 17 18 2 1 1 7 16 15 1 7 1 4 1 1 10 Service Manual Y112020 4...

Страница 56: ...24V O 24 V DC 24 V DC supply to PFCCL Connected to the PF paper con veying clutch PF paper feed clutch 1 2 and PF lift motor 1 2 2 24V O 24 V DC 24 V DC supply to PFPFCL1 3 24V O 24 V DC 24 V DC supp...

Страница 57: ...O 0 5 V DC pulse PFDM clock signal 5 GAIN O 0 5 V DC PFDM gain signal 6 LD O 0 5 V DC PFDM lock signal 7 CW CCW O 0 5 V DC PFDM rotation switch signal YC5 1 GND Ground Connected to the machine 2 5V I...

Страница 58: ...an with alcohol or a dry cloth Feed pulley Cleaning Every time Clean with alcohol or a dry cloth Paper feed pulley Check and replace Every time Clean with alcohol or a dry cloth Replace after feeding...

Страница 59: ...3LM 2 4 2 This page is intentionally left blank Service Manual Y112020 4...

Страница 60: ...9 9 PUSH SW 10 10 NC PFPLSW2 PFPLSW1 1 1 4 4 GND 2 2 3 3 UPCLE SW 1 1 2 2 GND 2 2 1 1 LPCLE SW YC1 YC8 15 11 15 NC PFPSW1 PFLSW1 PFPSW2 PFLSW2 2 8 5 11 NC 1 1 1 7 1 5 NC 2 2 4 6 8 1 5V 3 3 3 5 13 8 UC...

Страница 61: ...UPDATINGSTATUS DATE UPDATEDPAGES PAGES CODE 04 2010 1ST EDITION 61 Y112020 4...

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