User's Guide
Page 63
T640 T642, T644 250-sheet drawer 500-sheet drawer Multipurpose feeder 2000-sheet drawer Envelope feeder Duplex unit Standard output bin ... Card stock Transparencies Vinyl labels* Paper labels* Polyester label* Dual-web and integrated labels* * Printing label applications on obtaining a label fuser cleaner. See Ordering supplies for label applications. Supported print media 63 The label fuser cleaner is included with a special label cartridge for more information on the...
T640 T642, T644 250-sheet drawer 500-sheet drawer Multipurpose feeder 2000-sheet drawer Envelope feeder Duplex unit Standard output bin ... Card stock Transparencies Vinyl labels* Paper labels* Polyester label* Dual-web and integrated labels* * Printing label applications on obtaining a label fuser cleaner. See Ordering supplies for label applications. Supported print media 63 The label fuser cleaner is included with a special label cartridge for more information on the...
User's Guide
Page 64
...Lexmark criteria is available at the Lexmark Web site (www.lexmark.com); You can also check the Lexmark Automated Fax system (LEXFAXSM). Index Bristol 199 g/m2 (110 lb) 163 g/m2 (90 lb) n/a maximum (grain short)1 Tag 203 g/m2 (125 lb) 163 g/m2 (100 lb) Cover 216 g/m2 (80 lb) 176 g/m2 (65 lb) Transparencies Laser printer...Not supported in the multipurpose feeder. 1 Grain short is preferred for more information on obtaining a fuser cleaner. 5 Information on the printer requires a special label fuser cleaner. Index Bristol maximum (grain long)1 Tag 163 g/m2 (90 lb) 163 g/m2 (...
...Lexmark criteria is available at the Lexmark Web site (www.lexmark.com); You can also check the Lexmark Automated Fax system (LEXFAXSM). Index Bristol 199 g/m2 (110 lb) 163 g/m2 (90 lb) n/a maximum (grain short)1 Tag 203 g/m2 (125 lb) 163 g/m2 (100 lb) Cover 216 g/m2 (80 lb) 176 g/m2 (65 lb) Transparencies Laser printer...Not supported in the multipurpose feeder. 1 Grain short is preferred for more information on obtaining a fuser cleaner. 5 Information on the printer requires a special label fuser cleaner. Index Bristol maximum (grain long)1 Tag 163 g/m2 (90 lb) 163 g/m2 (...
User's Guide
Page 65
...199 g/m2 (110 lb) Tag 203 g/m2 (125 lb) Cover 216 g/m2 (80 lb) Laser printer 138 to 146 g/m2 (37 to 39 lb bond) High-capacity output stacker 60 to 176 g/m2...to 25% cotton content. 4 Printing label applications on whether your vinyl label converter has passed Lexmark criteria is preferred for papers over 135 g/m2. 2 Includes envelopes fed from the multipurpose feeder...media weight table. search for more information on obtaining a fuser cleaner. 5 Information on the printer requires a special label fuser cleaner. Understanding paper and specialty media guidelines Print media weights ...
...199 g/m2 (110 lb) Tag 203 g/m2 (125 lb) Cover 216 g/m2 (80 lb) Laser printer 138 to 146 g/m2 (37 to 39 lb bond) High-capacity output stacker 60 to 176 g/m2...to 25% cotton content. 4 Printing label applications on whether your vinyl label converter has passed Lexmark criteria is preferred for papers over 135 g/m2. 2 Includes envelopes fed from the multipurpose feeder...media weight table. search for more information on obtaining a fuser cleaner. 5 Information on the printer requires a special label fuser cleaner. Understanding paper and specialty media guidelines Print media weights ...
User's Guide
Page 69
Paper lighter than 60 g/m2 (16 lb) might not be affected by the temperature in the printer fuser • Preprinted papers that require a registration (the precise print location on the page) greater than ±0.09 in., such as ... multipurpose feeder and optional 250-sheet trays. For Magnetic Ink Character Recognition (MICR) applications and for laser printers. For detailed information, see the Card Stock & Label Guide located on the Lexmark Web site at www.lexmark.com for supported chemically treated papers) • Preprinted papers with chemicals that may contaminate the...
Paper lighter than 60 g/m2 (16 lb) might not be affected by the temperature in the printer fuser • Preprinted papers that require a registration (the precise print location on the page) greater than ±0.09 in., such as ... multipurpose feeder and optional 250-sheet trays. For Magnetic Ink Character Recognition (MICR) applications and for laser printers. For detailed information, see the Card Stock & Label Guide located on the Lexmark Web site at www.lexmark.com for supported chemically treated papers) • Preprinted papers with chemicals that may contaminate the...
User's Guide
Page 71
... the sheet. If you have adhesive to peel off during printing, resulting in the Paper menu. All printer models require a special fuser cleaner for laser printers. When printing on the Lexmark Web site at least 1 mm (0.04 in the sealed or closed position. - Selecting print media 71... Have nicked edges or bent corners. - Labels The printer can withstand temperatures of 25 pounds per square inch (psi...
... the sheet. If you have adhesive to peel off during printing, resulting in the Paper menu. All printer models require a special fuser cleaner for laser printers. When printing on the Lexmark Web site at least 1 mm (0.04 in the sealed or closed position. - Selecting print media 71... Have nicked edges or bent corners. - Labels The printer can withstand temperatures of 25 pounds per square inch (psi...
User's Guide
Page 77
... in Asia Pacific Region, Australia, and New Zealand. T640 X T642 X T644 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X You can use the packing material from the new cartridge to ship the old cartridge back to replace printer maintenance items. Order a maintenance kit when 80 Scheduled maintenance advised first... to let you know it is time to Lexmark for recycling. The maintenance kit contains all the items necessary to replace the pick rollers, the charge roll, transfer roller, and the fuser. Although the charge roll, transfer roller, and...
... in Asia Pacific Region, Australia, and New Zealand. T640 X T642 X T644 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X You can use the packing material from the new cartridge to ship the old cartridge back to replace printer maintenance items. Order a maintenance kit when 80 Scheduled maintenance advised first... to let you know it is time to Lexmark for recycling. The maintenance kit contains all the items necessary to replace the pick rollers, the charge roll, transfer roller, and the fuser. Although the charge roll, transfer roller, and...
User's Guide
Page 78
... message and continue printing. See the illustrations inside the stapler access door for duplex printing. Recycling Lexmark products To return Lexmark products to order a pack of the fuser must be used for T640, T642, and T644 Part numbers 40X0102 (100 V) 40X0100 (110 V) 40X0101 (220 V) Replacement of three...appears on the operator panel display, insert a new staple cartridge in the finisher. Use part number 11K3188 to Lexmark for your specific printer. Maintaining the printer See the following table for the maintenance kit part number for recycling: 1 Visit our Web site: www...
... message and continue printing. See the illustrations inside the stapler access door for duplex printing. Recycling Lexmark products To return Lexmark products to order a pack of the fuser must be used for T640, T642, and T644 Part numbers 40X0102 (100 V) 40X0100 (110 V) 40X0101 (220 V) Replacement of three...appears on the operator panel display, insert a new staple cartridge in the finisher. Use part number 11K3188 to Lexmark for your specific printer. Maintaining the printer See the following table for the maintenance kit part number for recycling: 1 Visit our Web site: www...
User's Guide
Page 121
... the product for which a Maintenance Kit is available are substantially consumed when the printer displays a "Life Warning" or "Scheduled Maintenance" message for such item. Limitation of liability Statement of the Remarketer or Lexmark. Notices If this product does not function as warranted during the warranty period, ...statement applies only when that user for loss of a product beyond repair, or if the product is used up, depleted, or consumed. Fuser Units, Paper Feed items, and any product. To obtain warranty service you present for exchange is defaced, altered, in need of a repair...
... the product for which a Maintenance Kit is available are substantially consumed when the printer displays a "Life Warning" or "Scheduled Maintenance" message for such item. Limitation of liability Statement of the Remarketer or Lexmark. Notices If this product does not function as warranted during the warranty period, ...statement applies only when that user for loss of a product beyond repair, or if the product is used up, depleted, or consumed. Fuser Units, Paper Feed items, and any product. To obtain warranty service you present for exchange is defaced, altered, in need of a repair...
User's Guide
Page 123
... jobs confidential jobs 40 entering a PIN 40 I Identifying printers 6 integrated forms 65, 68 Internet Protocol Security 100 J jams avoiding 73 clearing 80 L label fuser cleaner 78 labels guidelines 71 laser notices 120 LCD brightness 96 LCD contrast 96 letterhead loading input tray 46, 50, 54 Lexmark Authorized Supplies Dealers 74 linking 57 trays 57...
... jobs confidential jobs 40 entering a PIN 40 I Identifying printers 6 integrated forms 65, 68 Internet Protocol Security 100 J jams avoiding 73 clearing 80 L label fuser cleaner 78 labels guidelines 71 laser notices 120 LCD brightness 96 LCD contrast 96 letterhead loading input tray 46, 50, 54 Lexmark Authorized Supplies Dealers 74 linking 57 trays 57...
User's Guide
Page 125
... standard tray 7 staple and offset unit replacing staples 78 staple cartridge, replacing 78 StapleSmart replacing staples 78 stapling, maximum number 106 Stop button 9 supplies label fuser cleaner 78 maintenance kit 77 print cartridge 76 recycling 78 T toner cartridge recycling 78 transfer roller 78 transparencies loading input tray 44 tray linking 57...
... standard tray 7 staple and offset unit replacing staples 78 staple cartridge, replacing 78 StapleSmart replacing staples 78 stapling, maximum number 106 Stop button 9 supplies label fuser cleaner 78 maintenance kit 77 print cartridge 76 recycling 78 T toner cartridge recycling 78 transfer roller 78 transparencies loading input tray 44 tray linking 57...
Help Menu Pages
Page 19
.... Change the Toner Darkness setting in the Quality Menu. Print is defective. Either the print cartridge, transfer rollers, or the fuser is skewed or inappropriately slanted. See "Print quality troubleshooting" for more information. on the publications CD for more information. •...prints. • The Toner Darkness setting may be too dark. Transparency print quality • Use only transparencies recommended by the printer manufacturer. See the Menus and Messages Guide on the sides, top, or bottom of the media. Print quality and troubleshooting Page ...
.... Change the Toner Darkness setting in the Quality Menu. Print is defective. Either the print cartridge, transfer rollers, or the fuser is skewed or inappropriately slanted. See "Print quality troubleshooting" for more information. on the publications CD for more information. •...prints. • The Toner Darkness setting may be too dark. Transparency print quality • Use only transparencies recommended by the printer manufacturer. See the Menus and Messages Guide on the sides, top, or bottom of the media. Print quality and troubleshooting Page ...
Help Menu Pages
Page 21
... job indicates which means the charge rollers need to the marks on one of a single-sided print job, replace the toner cartridge before replacing the fuser. Replace the toner cartridge Developer roll defect 48.0 mm (1.89 in.) Photoconductor defect 96.8 mm (3.81 in.) Replace the... fuser Backup roller Fuser hot roll defect defect 88.0 mm (3.46 in.) 95.2 mm (3.75 in.) Replace the charge rollers 28.3 mm (1.11 in.) Replace the transfer roller 51.7 ...
... job indicates which means the charge rollers need to the marks on one of a single-sided print job, replace the toner cartridge before replacing the fuser. Replace the toner cartridge Developer roll defect 48.0 mm (1.89 in.) Photoconductor defect 96.8 mm (3.81 in.) Replace the... fuser Backup roller Fuser hot roll defect defect 88.0 mm (3.46 in.) 95.2 mm (3.75 in.) Replace the charge rollers 28.3 mm (1.11 in.) Replace the transfer roller 51.7 ...
Service Manual
Page 4
4061-xx0 Power-On Self Test (POST) sequence 2-4 Symptom tables 2-5 Base printer symptoms 2-5 High-capacity feeder (2000-sheet) symptoms 2-5 Paper tray symptoms 2-6 Duplex option symptoms 2-6 Envelope feeder symptoms 2-6 Output expander 2-6 StapleSmart finisher 2-7 Messages ... 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...
4061-xx0 Power-On Self Test (POST) sequence 2-4 Symptom tables 2-5 Base printer symptoms 2-5 High-capacity feeder (2000-sheet) symptoms 2-5 Paper tray symptoms 2-6 Duplex option symptoms 2-6 Envelope feeder symptoms 2-6 Output expander 2-6 StapleSmart finisher 2-7 Messages ... 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...
Service Manual
Page 6
...Model Name 3-20 Configuration ID 3-21 Edge to Edge 3-21 Parallel strobe adjustment (Par x Strobe Adj 3-21 EP SETUP 3-22 EP Defaults 3-22 Fuser Temperature (Fuser Temp 3-22 Fuser Page Count 3-22 Warm Up Time 3-22 Transfer 3-22 Print Contrast 3-22 Charge Roll 3-22 Gap Adjust 3-22 EVENT LOG 3-23 Display Log 3-...cabling and connectors 3-32 Duplex Option 3-32 Option microcode 3-32 Print quality troubleshooting 3-33 Paper feed jams 3-37 Access doors and trays 3-37 Clearing printer jams 3-37 250 Paper Jam Check MP Feeder 3-38 260 Paper Jam Check Env Feeder 3-39 vi Service Manual
...Model Name 3-20 Configuration ID 3-21 Edge to Edge 3-21 Parallel strobe adjustment (Par x Strobe Adj 3-21 EP SETUP 3-22 EP Defaults 3-22 Fuser Temperature (Fuser Temp 3-22 Fuser Page Count 3-22 Warm Up Time 3-22 Transfer 3-22 Print Contrast 3-22 Charge Roll 3-22 Gap Adjust 3-22 EVENT LOG 3-23 Display Log 3-...cabling and connectors 3-32 Duplex Option 3-32 Option microcode 3-32 Print quality troubleshooting 3-33 Paper feed jams 3-37 Access doors and trays 3-37 Clearing printer jams 3-37 250 Paper Jam Check MP Feeder 3-38 260 Paper Jam Check Env Feeder 3-39 vi Service Manual
Service Manual
Page 7
...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 Fuser assembly removal 4-26 Fuser exit sensor removal 4-28 Fuser exit sensor flag and spring removal 4-30 Fuser lamp removal 4-32 Fuser narrow media sensor removal 4-34 Fuser narrow media flag and spring removal 4-36 Fuser to LVPS AC cable removal 4-38 Fuser top cover removal 4-41 Fuser transfer ...
...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 Fuser assembly removal 4-26 Fuser exit sensor removal 4-28 Fuser exit sensor flag and spring removal 4-30 Fuser lamp removal 4-32 Fuser narrow media sensor removal 4-34 Fuser narrow media flag and spring removal 4-36 Fuser to LVPS AC cable removal 4-38 Fuser top cover removal 4-41 Fuser transfer ...
Service Manual
Page 8
... removal 4-78 Upper paper deflector assembly removal 4-79 USB board assembly removal 4-80 Connector locations and connections 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...Integrated 500-sheet paper tray 7-20 Assembly 11: Drives-Main drive and developer drive 7-22 Assembly 12: Hot roll fuser 7-24 Assembly 13: Transfer/charging 7-26 Assembly 14: Electronics-power supplies 7-28 viii Service Manual
... removal 4-78 Upper paper deflector assembly removal 4-79 USB board assembly removal 4-80 Connector locations and connections 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...Integrated 500-sheet paper tray 7-20 Assembly 11: Drives-Main drive and developer drive 7-22 Assembly 12: Hot roll fuser 7-24 Assembly 13: Transfer/charging 7-26 Assembly 14: Electronics-power supplies 7-28 viii Service Manual
Service Manual
Page 30
...✓ Dual-web and integrated label1 ✓ ✓ ✓ ✓ ✓ ✓ ✓ 1 Printing label applications on the printer requires a special label fuser cleaner which prevents duplexing. universally adjustable tray) Other Envelope1 98.4 x 162 mm to 6.93 x 9.84 in.) ✓ ✓ ✓ ...No universal support for label applications. 2 Vinyl labels may require a special media tray. 1-10 Service Manual The label fuser cleaner is included with a special label cartridge for the following options: 2000-sheet drawer, Envelope Feeder, 5-bin mailbox. ...
...✓ Dual-web and integrated label1 ✓ ✓ ✓ ✓ ✓ ✓ ✓ 1 Printing label applications on the printer requires a special label fuser cleaner which prevents duplexing. universally adjustable tray) Other Envelope1 98.4 x 162 mm to 6.93 x 9.84 in.) ✓ ✓ ✓ ...No universal support for label applications. 2 Vinyl labels may require a special media tray. 1-10 Service Manual The label fuser cleaner is included with a special label cartridge for the following options: 2000-sheet drawer, Envelope Feeder, 5-bin mailbox. ...
Service Manual
Page 31
...(110 lb) 203 g/m2 (125 lb) 216 g/m2 (80 lb) 163 g/m2 (90 lb) 163 g/m2 (100 lb) 176 g/m2 (65 lb) Transparencies Laser printer 138 to 146 g/m2 (37 to 39 lb bond) 138 to 146 g/m2 (37 to 39 lb bond) Labels-maximum2 Paper 180 g/m2 (48 lb... envelopes fed from the multipurpose feeder only. 5 Information on whether your vinyl label converter has passed the Lexmark's criteria is preferred for papers over 135 g/m2. 2 Printing label applications on your printer requires a special label fuser cleaner which prevents duplexing. 3 28 lb envelopes are limited to 36 lb bond) bond) Card stock-...
...(110 lb) 203 g/m2 (125 lb) 216 g/m2 (80 lb) 163 g/m2 (90 lb) 163 g/m2 (100 lb) 176 g/m2 (65 lb) Transparencies Laser printer 138 to 146 g/m2 (37 to 39 lb bond) 138 to 146 g/m2 (37 to 39 lb bond) Labels-maximum2 Paper 180 g/m2 (48 lb... envelopes fed from the multipurpose feeder only. 5 Information on whether your vinyl label converter has passed the Lexmark's criteria is preferred for papers over 135 g/m2. 2 Printing label applications on your printer requires a special label fuser cleaner which prevents duplexing. 3 28 lb envelopes are limited to 36 lb bond) bond) Card stock-...
Service Manual
Page 32
... short is available at www.lexmark.com. 1-12 Service Manual maximum (grain short) Index Bristol Tag 199 g/m2 (110 lb) 203 g/m2 (125 lb) 199 g/m2 (110 lb) 203 g/m2 (125 lb) Cover 216 g/m2 (80 lb) 216 g/m2 (80 lb) Transparencies Laser printer 138 to 146 g/m2 (37...xx0 Media weights supported in the finisher" on whether your vinyl label converter has passed the Lexmark's criteria is preferred for papers over 135 g/m2. 2 Printing label applications on your printer requires a special label fuser cleaner which prevents duplexing. 3 28 lb envelopes are limited to 25% cotton content. 4 ...
... short is available at www.lexmark.com. 1-12 Service Manual maximum (grain short) Index Bristol Tag 199 g/m2 (110 lb) 203 g/m2 (125 lb) 199 g/m2 (110 lb) 203 g/m2 (125 lb) Cover 216 g/m2 (80 lb) 216 g/m2 (80 lb) Transparencies Laser printer 138 to 146 g/m2 (37...xx0 Media weights supported in the finisher" on whether your vinyl label converter has passed the Lexmark's criteria is preferred for papers over 135 g/m2. 2 Printing label applications on your printer requires a special label fuser cleaner which prevents duplexing. 3 28 lb envelopes are limited to 25% cotton content. 4 ...
Service Manual
Page 35
...60 to 176 g/m2 (16 to 47 lb bond) grain long in the printer fuser • Preprinted papers that you follow these temperatures without carbon paper, also known...are not recommended for use with the printer: • Chemically treated papers used to make sure the weight is acceptable for laser printers. Unacceptable paper The following papers are ...printer can adjust registration with the manufacturer or vendor to 36 lb bond) grain long in the multipurpose feeder and optional 250-sheet trays. When loading paper, note the recommended print side on the Lexmark Web site at www.lexmark...
...60 to 176 g/m2 (16 to 47 lb bond) grain long in the printer fuser • Preprinted papers that you follow these temperatures without carbon paper, also known...are not recommended for use with the printer: • Chemically treated papers used to make sure the weight is acceptable for laser printers. Unacceptable paper The following papers are ...printer can adjust registration with the manufacturer or vendor to 36 lb bond) grain long in the multipurpose feeder and optional 250-sheet trays. When loading paper, note the recommended print side on the Lexmark Web site at www.lexmark...
