Savin | IS760D | User manual | G417/G418 SERVICE MANUAL

RICOH GROUP COMPANIES

G417/G418

SERVICE MANUAL

002159MIU

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RICOH GROUP COMPANIES

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G417/G418

SERVICE MANUAL

002159MIU

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 2005 RICOH Corporation. All rights reserved.

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WARNING

The Service Manual contains information regarding service techniques, procedures, processes and spare parts of office equipment distributed by Ricoh Corporation. Users of this manual should be either service trained or certified by successfully completing a Ricoh

Technical Training Program.

Untrained and uncertified users utilizing information contained in this service manual to repair or modify Ricoh equipment risk personal injury, damage to property or loss of warranty protection.

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PRODUCT CODE

LEGEND

COMPANY

GESTETNER LANIER RICOH SAVIN

G418 IS760D

DOCUMENTATION HISTORY

REV. NO.

*

DATE COMMENTS

03/2005 Original Printing

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G417/G418

TABLE OF CONTENTS

INSTALLATION

1. INSTALLATION PROCEDURE.................................................... 1-1

1.1 INSTALLATION REQUIRMENTS..............................................................1-1

1.1.1 ENVIRONMENT ...............................................................................1-1

1.1.2 MACHINE LEVEL .............................................................................1-1

1.1.3 MINIMUM SPACE REQUIRMENTS .................................................1-1

1.1.4 POWER REQUIRMENTS.................................................................1-1

1.2 MAINFRAME AND OPTION INSTALLATION PROCEDURES .................1-2

1.2.1 ACCESSORY CHECK......................................................................1-2

Mainframe .............................................................................................1-2

IEEE1394 I/F Kit (OPTION) ..................................................................1-3

IPU (OPTION).......................................................................................1-3

PREVENTIVE MAINTENANCE

2. PREVENTIVE MAINTENANCE SCHEDULE ............................... 2-1

2.1 USER MAINTENANCE..............................................................................2-1

2nd side white plate cleaning ................................................................2-2

REPLACEMENT AND ADJUSTMENT

3.1 SPECIAL TOOLS ......................................................................................3-1

3.2 REPLACEMENT........................................................................................3-2

3.2.1 ADF EXTERIOR ...............................................................................3-2

3.2.2 PLATEN COVER ..............................................................................3-2

3.2.3 SCANNER EXTERIOR .....................................................................3-3

3.2.4 SCU ..................................................................................................3-4

3.2.5 TRAY HOME POSITION SENSOR ..................................................3-5

3.2.6 ORIGINAL SET AND WIDTH SENSORS .........................................3-5

3.2.7 LEADING/TRAILING EDGE SENSORS AND DOUBLE-FEED

SENSOR ..........................................................................................3-6

3.2.8 2ND SIDE REGISTRATION SENSOR .............................................3-7

3.2.9 TRAY LIFT MOTOR AND FEED MOTOR ........................................3-7

3.2.10 TRANSPORT MOTOR AND CLUTCH ...........................................3-8

3.2.11 DF BOARD .....................................................................................3-8

3.2.12 PICK UP ROLLER ..........................................................................3-9

3.2.13 2ND SIDE EXPOSURE LAMP......................................................3-10

3.2.14 2ND SIDE SCANNER OPTICS UNIT ...........................................3-11

3.2.15 1ST SIDE SCANNER OPTICS UNIT AND EXPOSURE LAMP....3-12

Installing the 1st side scanner optics unit............................................3-13

3.2.16 VIOB (VIDEO INPUT/ OUTPUT BOARD) ....................................3-14

3.2.17 SWITCH BOARD..........................................................................3-15

3.2.18 SCANNER MOTOR......................................................................3-15

3.2.19 PSU (POWER SUPPLY UNIT) AND PSU FAN ............................3-16

TROUBLESHOOTING

4. TROUBLESHOOTING ................................................................. 4-1

4.1 LED FUNCTION MODE ............................................................................4-1

4.1.1 NORMAL LED FUNCTION TABLE...................................................4-1

Order of priority .....................................................................................4-2

4.1.2 SELF DIAGNOSTIC MODE..............................................................4-2

LED function table.................................................................................4-2

Descriptions ..........................................................................................4-3

4.1.3 BLOWN FUSE CONDITIONS...........................................................4-5

4.1.4 IEEE1394 BOARD (OPTION)...........................................................4-5

SERVICE TABLES

5. SERVICE TABLES ....................................................................... 5-1

5.1 DIP SWITCH FUNCTION ..........................................................................5-1

5.1.1 DIP SWITCH COMBINATIONS ........................................................5-1

DIP switch setting table (Normal mode) ................................................5-2

DIP switch setting table (service level test mode) .................................5-2

5.1.2 NORMAL MODE...............................................................................5-3

5.1.3 DEMONSTRATION MODE...............................................................5-3

5.1.4 COMPONENT CHECK MODE .........................................................5-4

5.1.5 SENSOR TEST MODE 1..................................................................5-4

5.1.6 SENSOR TEST MODE 2..................................................................5-5

5.1.7 SELF-DIAGNOSIS MODE ................................................................5-5

5.1.8 WHITE BALANCE ADJUSTMENT MODE........................................5-5

5.1.9 AGING MODE ..................................................................................5-5

5.1.10 ADF COUNTER, BOOK MODE COUNTER AND EXPOSURE

LAMP ON-TIME..............................................................................5-6

SCSI ID rotary switch............................................................................5-6

LED values ...........................................................................................5-6

5.1.11 EEPROM CLEAR MODE................................................................5-7

5.1.12 FIRMWARE UPDATE PROCEDURE .............................................5-8

5.1.13 FLASH-ROM MONITOR DOWNLOAD MODE ...............................5-9 service-repairmanual.com

DETAILED DESCRIPTIONS

6. DETAILED FUNCTION DESCRIPTIONS..................................... 6-1

6.1 SCANNER OVERVIEW.............................................................................6-1

6.2 CONTROL SYSTEM BLOCK DIAGRAM...................................................6-2

6.3 SCANNING................................................................................................6-3

6.3.1 OVERVIEW ......................................................................................6-3

G417/G418 ii SM

Rev. 05/2007

6.3.2 SCANNER DRIVE MECHANISM .....................................................6-4

6.3.3 SCANNER OPTICS UNIT ................................................................6-5

6.4 ADF OVERVIEW .......................................................................................6-6

6.4.1 MECHANICAL COMPONENT LAYOUT...........................................6-6

Mechanical component layout...............................................................6-6

Drive layout ...........................................................................................6-7

6.4.2 ORIGINAL SIZE DETECTION ..........................................................6-8

Original size detection Table.................................................................6-9

6.4.3 TRAY LIFT......................................................................................6-10

6.4.4 PICK-UP AND SEPARATION.........................................................6-11

6.4.5 ORIGINAL TRANSPORT AND EXIT ..............................................6-12

Simple and duplex scanning ...............................................................6-13

Scanning mode ...................................................................................6-13

Misfeed and double feed detection .....................................................6-14

6.4.6 TIMING CHARTS ...........................................................................6-15

Normal mode (Double-sided) ..............................................................6-15 service-repairmanual.com

Jam and misfeed conditions ...............................................................6-17

Jam .....................................................................................................6-17

Misfeed ...............................................................................................6-17

6.4.7 IMAGE PROCESSING ...................................................................6-18

Scanner optics unit and VBU/ VIOB....................................................6-19

RIPU on SCU......................................................................................6-19

OIPUB.................................................................................................6-21

SPECIFICATIONS

1. OVERALL MACHINE INFORMATION......................................... 7-1

1.1 MAIN BODY ........................................................................................7-1

1.2 IEEE1394 (OPTION) ...........................................................................7-2

1.3 OPTIONAL IMAGE PROCESSING UNIT (OPTION)...........................7-2

SERVICE TOOL

SEE SERVICE TOOL SECTION FOR DETAILED TABLE OF CONTENTS

NETWORK SCANNER UNIT TYPE A G829

SEE SECTION G829 FOR DETAILED TABLE OF CONTENTS

ENDORSER UNIT TYPE B G827

SEE SECTION G829 FOR DETAILED TABLE OF CONTENTS