Lexmark T640tn Service Manual Download | Manualshive

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Lexmark™ T640, T642, and T644

4061-xx0

• Table of Contents

• Start Diagnostics

• Safety and Notices

• Trademarks

• Index

Lexmark and Lexmark with diamond design are
trademarks of Lexmark International, Inc., registered
in the United States and/or other countries.

Revised September 2

7

, 2005

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Summary of Contents for T640tn

Page 1: ... Table of Contents Start Diagnostics Safety and Notices Trademarks Index Lexmark and Lexmark with diamond design are trademarks of Lexmark International Inc registered in the United States and or other countries Revised September 27 2005 ...

Page 2: ...ternational Inc Department D22A 032 2 740 West New Circle Road Lexington Kentucky 40550 U S A or e mail at ServiceInfoAndTraining Lexmark com Lexmark may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you You can purchase additional copies of publications related to this product by calling 1 800 553 9727 In other countries...

Page 3: ...ations 1 6 Environment 1 7 Acoustics 1 7 Media specifications 1 8 Paper and specialty media guidelines 1 8 Supported print media 1 8 Selecting print media 1 15 Paper 1 15 Paper characteristics 1 15 Weight 1 15 Unacceptable paper 1 15 Transparencies 1 16 Selecting transparencies 1 16 Envelopes 1 16 Labels 1 17 Card stock 1 18 Storing print media 1 18 Avoiding jams 1 19 Print area 1 19 Tools require...

Page 4: ...e check 2 80 Duplex option service check 2 82 Envelope feeder service check 2 84 Fuser service checks 2 87 920 xx Cold fuser service check 2 87 922 xx Cold fuser check 2 89 923 xx Hot fuser service check 2 90 924 xx Hot fuser service check 2 91 925 xx Hot fuser service check 2 91 Fuser exit sensor service check 2 92 Fuser narrow media sensor service check 2 93 Fuser solenoid service check 2 94 Hig...

Page 5: ...Wrap tests 3 8 Serial Wrap tests 3 9 DUPLEX TESTS 3 9 Quick Test duplex 3 9 Top Margin duplex 3 10 Sensor Test duplex 3 10 Motor Test duplex 3 11 Duplex Feed 1 3 12 Duplex Feed 2 3 12 INPUT TRAY TESTS 3 13 Feed Tests input tray 3 13 Sensor Test input tray 3 13 OUTPUT BIN TESTS 3 14 Feed Tests output bins 3 14 Feed To All Bins 3 14 Sensor Test standard output bin 3 15 Sensor Test Output Expander 3 ...

Page 6: ...Print quality pages Prt Quality Pgs 3 26 SIZE SENSING 3 27 Panel Menus 3 27 PPDS Emulation 3 27 Download Emuls 3 27 Demo Mode 3 27 Factory Defaults 3 28 Energy Conserve 3 28 EVENT LOG 3 28 Paper Prompts 3 28 Env Prompts 3 28 Jobs On Disk 3 28 Disk Encryption 3 28 Font Sharpening 3 29 LCD Brightness 3 29 LCD Contrast 3 29 Exit Config Menu 3 29 Additional useful menu locations 3 29 Hex Trace 3 29 Me...

Page 7: ...oval 4 15 Left cover handle holder removal 4 16 Right cover handle holder removal 4 16 Left and right frame extensions 4 17 Pass thru plate 4 18 Laser cover removal 4 19 Bevel gear removal 4 21 Cartridge duct removal 4 23 Developer drive assembly removal 4 24 Developer drive coupler kit removal 4 25 ESD cover removal 4 25 Fuser assembly removal 4 26 Fuser exit sensor removal 4 28 Fuser exit sensor...

Page 8: ... 5 1 Connections 5 1 System board 5 1 Autoconnect 5 6 Fuser Board 5 7 High capacity output stacker board 5 8 High voltage power supply 5 9 Interconnect card 5 9 Low voltage power supply 5 10 Output expander control board 5 11 StapleSmart finisher 5 12 Preventive maintenance 6 1 Safety inspection guide 6 1 Lubrication specifications 6 1 Scheduled maintenance 6 1 Maintenance kit 6 1 Parts catalog 7 ...

Page 9: ... Assembly 35 High capacity feeder 1 7 58 Assembly 36 High capacity feeder 2 7 60 Assembly 37 High capacity feeder 4 7 62 Assembly 38 High capacity feeder 5 7 63 Assembly 39 Kiosk vertical and horizontal paper adapters 7 64 Assembly 40 StapleSmart finisher I 7 65 Assembly 41 StapleSmart finisher 2 7 66 Assembly 42 StapleSmart finisher 3 7 67 Assembly 43 StapleSmart finisher 4 7 68 Assembly 44 Optio...

Page 10: ...ice Manual 4061 xx0 Printing a directory list A 14 Printing confidential and held jobs A 14 Linking trays A 17 Identifying and linking output bins A 18 Linking output bins A 20 Index I 1 Part number index I 9 ...

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