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 Output ... Paper Card stock Transparencies Vinyl labels* Paper labels* Polyester label* Dual-web and integrated labels* * Printing label applications on obtaining a label fuser cleaner. Supported print media 63 The label fuser cleaner is included with a special label cartridge for more information on the printer requires a special label...
T640 T642, T644 250-sheet drawer 500-sheet drawer Multipurpose feeder 2000-sheet drawer Envelope feeder Duplex unit Standard output bin Output ... Paper Card stock Transparencies Vinyl labels* Paper labels* Polyester label* Dual-web and integrated labels* * Printing label applications on obtaining a label fuser cleaner. Supported print media 63 The label fuser cleaner is included with a special label cartridge for more information on the printer requires a special label...
User's Guide
Page 64
See Ordering supplies for more information on obtaining a fuser cleaner. 5 Information on the printer requires a special label fuser cleaner. 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 ...
See Ordering supplies for more information on obtaining a fuser cleaner. 5 Information on the printer requires a special label fuser cleaner. 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 ...
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 ...to 25% cotton content. 4 Printing label applications on whether your vinyl label converter has passed Lexmark criteria is preferred for "converter list." Understanding paper and specialty media guidelines Print media weights ... 1 Grain short is available at the Lexmark Web site (www.lexmark.com); See Ordering supplies for more information on obtaining a fuser cleaner. 5 Information on the printer requires a special label...
... 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 ...to 25% cotton content. 4 Printing label applications on whether your vinyl label converter has passed Lexmark criteria is preferred for "converter list." Understanding paper and specialty media guidelines Print media weights ... 1 Grain short is available at the Lexmark Web site (www.lexmark.com); See Ordering supplies for more information on obtaining a fuser cleaner. 5 Information on the printer requires a special label...
User's Guide
Page 69
... at www.lexmark.com for supported chemically treated papers) • Preprinted papers with chemicals that may contaminate the printer • Preprinted papers that you can adjust registration with the printer: • Some chemically treated papers used to make sure the weight is acceptable for laser printers. When...g/m2 (16 lb) Selecting print media 69 Paper lighter than 60 g/m2 (16 lb) might not be affected by the temperature in the printer fuser • Preprinted papers that do not meet DIN 19 309 • Recycled paper having a weight less than ±0.09 in .), make copies...
... at www.lexmark.com for supported chemically treated papers) • Preprinted papers with chemicals that may contaminate the printer • Preprinted papers that you can adjust registration with the printer: • Some chemically treated papers used to make sure the weight is acceptable for laser printers. When...g/m2 (16 lb) Selecting print media 69 Paper lighter than 60 g/m2 (16 lb) might not be affected by the temperature in the printer fuser • Preprinted papers that do not meet DIN 19 309 • Recycled paper having a weight less than ±0.09 in .), make copies...
User's Guide
Page 71
... on label printing, characteristics, and design, see the Card Stock & Label Guide available on obtaining a label fuser cleaner. See Ordering supplies for use label sheets with laser printers. or 500-sheet trays or the optional 250- Partial sheets may seal the envelopes. Selecting print media 71... the standard 250- If you have adhesive to withstand temperatures of 230°C (446°F) and pressure of the adhesive at www.lexmark.com/publications. These labels are considering using with adhesive, and could void the warranty. • If zone coating of envelope at a...
... on label printing, characteristics, and design, see the Card Stock & Label Guide available on obtaining a label fuser cleaner. See Ordering supplies for use label sheets with laser printers. or 500-sheet trays or the optional 250- Partial sheets may seal the envelopes. Selecting print media 71... the standard 250- If you have adhesive to withstand temperatures of 230°C (446°F) and pressure of the adhesive at www.lexmark.com/publications. These labels are considering using with adhesive, and could void the warranty. • If zone coating of envelope at a...
User's Guide
Page 77
... all the items necessary to replace printer maintenance items. Order a maintenance kit when 80 Scheduled maintenance advised first appears on the display. Ordering supplies 77 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 only in Europe... use the packing material from the new cartridge to ship the old cartridge back to Lexmark for recycling. See Recycling Lexmark products for more frequent replacement of media may require more information. Although the charge roll...charge roll, transfer roller, and the fuser.
... all the items necessary to replace printer maintenance items. Order a maintenance kit when 80 Scheduled maintenance advised first appears on the display. Ordering supplies 77 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 only in Europe... use the packing material from the new cartridge to ship the old cartridge back to Lexmark for recycling. See Recycling Lexmark products for more frequent replacement of media may require more information. Although the charge roll...charge roll, transfer roller, and the fuser.
User's Guide
Page 78
... set per input tray excluding the multipurpose feeder. Order Lexmark part number 40X0127. When ordering pick rollers, you need one set to Lexmark for more information. Ordering a label fuser cleaner A special label fuser cleaner should be used for T640, T642, and T644 Part numbers 40X0102 (100 V) 40X0100...insert a new staple cartridge in the finisher. Ordering a transfer roller Order Lexmark part number 40X0130. Maintenance kit for label applications to clear the message and continue printing. Label fuser cleaners are not recommended for your specific printer. If Staple Alarm is ...
... set per input tray excluding the multipurpose feeder. Order Lexmark part number 40X0127. When ordering pick rollers, you need one set to Lexmark for more information. Ordering a label fuser cleaner A special label fuser cleaner should be used for T640, T642, and T644 Part numbers 40X0102 (100 V) 40X0100...insert a new staple cartridge in the finisher. Ordering a transfer roller Order Lexmark part number 40X0130. Maintenance kit for label applications to clear the message and continue printing. Label fuser cleaners are not recommended for your specific printer. If Staple Alarm is ...
User's Guide
Page 121
Fuser Units, Paper Feed items, and any other than Lexmark or a Lexmark authorized servicer • Operation of prints produced by Lexmark). Replacement is not free of all print cartridges, programs, data, and removable storage media (unless directed otherwise ... damaged beyond the limit of failures caused by: • Modification or unauthorized attachments • Accidents, misuse, abuse or use inconsistent with Lexmark user's guides, manuals, instructions or guidance. • Unsuitable physical or operating environment • Maintenance by anyone other items for which it ...
Fuser Units, Paper Feed items, and any other than Lexmark or a Lexmark authorized servicer • Operation of prints produced by Lexmark). Replacement is not free of all print cartridges, programs, data, and removable storage media (unless directed otherwise ... damaged beyond the limit of failures caused by: • Modification or unauthorized attachments • Accidents, misuse, abuse or use inconsistent with Lexmark user's guides, manuals, instructions or guidance. • Unsuitable physical or operating environment • Maintenance by anyone other items for which it ...
User's Guide
Page 123
... 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 Linux 16, 24 123
... 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 Linux 16, 24 123
User's Guide
Page 125
...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 U UNIX 16, 24 USB Direct interface 36 USB flash memory device 36 V verify print 42 W warranty 120 weight, paper 69 width guide 44, 45 Windows 11, 18 125
...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 U UNIX 16, 24 USB Direct interface 36 USB flash memory device 36 V verify print 42 W warranty 120 weight, paper 69 width guide 44, 45 Windows 11, 18 125
Help Menu Pages
Page 19
... CD for more information. is poor. • Make sure the Paper Type setting in your software application. Either the print cartridge, transfer rollers, or the fuser is skewed or inappropriately slanted. Print is defective. Repeating defects appear. Action • Make sure the Paper Size setting in the Paper Menu is cut...
... CD for more information. is poor. • Make sure the Paper Type setting in your software application. Either the print cartridge, transfer rollers, or the fuser is skewed or inappropriately slanted. Print is defective. Repeating defects appear. Action • Make sure the Paper Size setting in the Paper Menu is cut...
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
...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 ...
...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 ...
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 3-23...
... 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 3-23...
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
...roll assembly removal 4-77 Upper front cover hinge assembly 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... 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
...roll assembly removal 4-77 Upper front cover hinge assembly 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... 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
... integrated label1 ✓ ✓ ✓ ✓ ✓ ✓ ✓ 1 Printing label applications on the printer requires a special label fuser cleaner which prevents duplexing. 250-sheet tray 500-sheet tray 250-sheet drawer (option) 250 UAT (option) 500-sheet drawer (option) 400 UAT (...special label cartridge for the following options: 2000-sheet drawer, Envelope Feeder, 5-bin mailbox. 4 3.5 in . The label fuser cleaner is specified by the software application. 3 No universal support for label applications. 2 Vinyl labels may require a special media tray. 1-10 ...
... integrated label1 ✓ ✓ ✓ ✓ ✓ ✓ ✓ 1 Printing label applications on the printer requires a special label fuser cleaner which prevents duplexing. 250-sheet tray 500-sheet tray 250-sheet drawer (option) 250 UAT (option) 500-sheet drawer (option) 400 UAT (...special label cartridge for the following options: 2000-sheet drawer, Envelope Feeder, 5-bin mailbox. 4 3.5 in . The label fuser cleaner is specified by the software application. 3 No universal support for label applications. 2 Vinyl labels may require a special media tray. 1-10 ...
Service Manual
Page 31
... 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...199 g/m2 (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...
... 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...199 g/m2 (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...
Service Manual
Page 32
... 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 47 lb bond) 163 g/m2 (90... 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 to 39 lb bond) 138 to 146 g/m2 (37 to 39 lb bond) Labels- Cover 176 g/m2 (65 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 47 lb bond) 163 g/m2 (90... 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 to 39 lb bond) 138 to 146 g/m2 (37 to 39 lb bond) Labels- Cover 176 g/m2 (65 lb...
Service Manual
Page 35
...Multiple-part forms or documents General information 1-15 When loading paper, note the recommended print side on the Lexmark Web site at www.lexmark.com. The laser printing process heats paper to high temperatures of any paper you can be stiff enough to withstand these temperatures... Preprinted papers that can adjust registration with your software application to successfully print on the page) greater than ±0.09 in the printer fuser • Preprinted papers that require a registration (the precise print location on these forms. • Coated papers (erasable bond), synthetic ...
...Multiple-part forms or documents General information 1-15 When loading paper, note the recommended print side on the Lexmark Web site at www.lexmark.com. The laser printing process heats paper to high temperatures of any paper you can be stiff enough to withstand these temperatures... Preprinted papers that can adjust registration with your software application to successfully print on the page) greater than ±0.09 in the printer fuser • Preprinted papers that require a registration (the precise print location on these forms. • Coated papers (erasable bond), synthetic ...