Troubleshooting Guide
Page 4
...The page that requires adjustment or replacement. The message remains on the publications CD. To utilize the remaining toner, remove the cartridge by Config Menu. 3 Press until the print remains faded. Toner appears on the back of the media. • If the pick pad is too light. •...all the pages print. The Paper Jam message remains after you clear the jam. Reinstall the cartridge and then press . When the print remains faded replace the print cartridge. • Change the Toner Darkness setting in the Quality menu. • Change the Brightness setting in the Quality menu...
...The page that requires adjustment or replacement. The message remains on the publications CD. To utilize the remaining toner, remove the cartridge by Config Menu. 3 Press until the print remains faded. Toner appears on the back of the media. • If the pick pad is too light. •...all the pages print. The Paper Jam message remains after you clear the jam. Reinstall the cartridge and then press . When the print remains faded replace the print cartridge. • Change the Toner Darkness setting in the Quality menu. • Change the Brightness setting in the Quality menu...
User's Guide
Page 76
... East, and Africa. 4 Designed for information about Lexmark Authorized Supplies Dealers in your area. T640 T642 T644 X X X X X X X X X X X X X X X X X X X X X Ordering supplies 76 Maintaining the printer Ordering supplies To order supplies in the U.S., contact Lexmark at www.lexmark.com, or contact the place where you experience faded print, remove the toner cartridge. When the print remains faded replace the...
... East, and Africa. 4 Designed for information about Lexmark Authorized Supplies Dealers in your area. T640 T642 T644 X X X X X X X X X X X X X X X X X X X X X Ordering supplies 76 Maintaining the printer Ordering supplies To order supplies in the U.S., contact Lexmark at www.lexmark.com, or contact the place where you experience faded print, remove the toner cartridge. When the print remains faded replace the...
User's Guide
Page 88
CAUTION: Do not use any pointed objects to access the print media from the printer rear door. 6 Align and reinstall the toner cartridge. 7 Close the top front cover. 8 Close the multipurpose feeder. 9 Press . Warning: If the print media does not move immediately when you . Clearing jams 5 Pull the print media up and toward you pull, stop pulling. You need to remove the paper. Clearing printer jams 88 This could cause personal injury or damage to the printer.
CAUTION: Do not use any pointed objects to access the print media from the printer rear door. 6 Align and reinstall the toner cartridge. 7 Close the top front cover. 8 Close the multipurpose feeder. 9 Press . Warning: If the print media does not move immediately when you . Clearing jams 5 Pull the print media up and toward you pull, stop pulling. You need to remove the paper. Clearing printer jams 88 This could cause personal injury or damage to the printer.
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 ...
...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 ...
Menus and Messages
Page 41
... then remove the specified device, and call for the message to clear, or cancel the print job. Close Door or Insert Cartridge • Close the upper front door. • Install the toner cartridge. Copies Enter the desired number of copies. Message Action Activating Menu Changes Wait for service. • Press to clear the...
... then remove the specified device, and call for the message to clear, or cancel the print job. Close Door or Insert Cartridge • Close the upper front door. • Install the toner cartridge. Copies Enter the desired number of copies. Message Action Activating Menu Changes Wait for service. • Press to clear the...
Menus and Messages
Page 46
... from the Lexmark Web site.. 30 Invalid refill, change cartridge Install a new cartridge. 31 Replace defective print cartridge Remove the print cartridge, and install a new one. 32 Replace unsupported print cartridge Remove the print cartridge, and install a supported one. 32 Replace unsupported toner cartridge Remove the toner cartridge, and install... without stapling. • Cancel the current job. Submitting selection Wait for the message to clear. • Insert the USB drive. If MP Feeder Size is set to Auto, then exit the menus to activate the link buffer changes. - ...
... from the Lexmark Web site.. 30 Invalid refill, change cartridge Install a new cartridge. 31 Replace defective print cartridge Remove the print cartridge, and install a new one. 32 Replace unsupported print cartridge Remove the print cartridge, and install a supported one. 32 Replace unsupported toner cartridge Remove the toner cartridge, and install... without stapling. • Cancel the current job. Submitting selection Wait for the message to clear. • Insert the USB drive. If MP Feeder Size is set to Auto, then exit the menus to activate the link buffer changes. - ...
Menus and Messages
Page 49
... to clear the message, and continue printing. • Replace the maintenance items and if necessary, reset the printer maintenance counter. • Replace the toner cartridge. • Press to clear the message and continue printing. 1 Clear the paper path. 2 After clearing the paper path, press to resume printing....8226; Format the disk. Understanding printer messages Message 62 Disk full 63 Unformatted disk 64 Unsupported disk format 80 Scheduled maintenance advised 88 Toner is deleted. • Delete fonts, macros, and other data stored on the hard disk is low 200.yy Paper jam 201...
... to clear the message, and continue printing. • Replace the maintenance items and if necessary, reset the printer maintenance counter. • Replace the toner cartridge. • Press to clear the message and continue printing. 1 Clear the paper path. 2 After clearing the paper path, press to resume printing....8226; Format the disk. Understanding printer messages Message 62 Disk full 63 Unformatted disk 64 Unsupported disk format 80 Scheduled maintenance advised 88 Toner is deleted. • Delete fonts, macros, and other data stored on the hard disk is low 200.yy Paper jam 201...
Menus and Messages
Page 51
... 50 281.yy Paper jam 50 282 Staple jam 50 283 Staple jam 50 30 Invalid refill, change cartridge 46 31 Defective Print Cartridge 46 32 Replace unsupported toner cartridge 46 32 Unsupported Print Cartridge 46 34 Short Paper 46 37 Insufficient memory for Flash Memory Defragment operation 47 37 Insufficient memory to collate... option in slot 48 56 Parallel port disabled 48 56 Serial port disabled 48 56 Standard parallel port disabled 48 56 Standard USB port disabled 48 56 USB port disabled 48 58 Too many bins attached 48 58 Too many disks installed 48 58 Too many flash options installed 48 ...
... 50 281.yy Paper jam 50 282 Staple jam 50 283 Staple jam 50 30 Invalid refill, change cartridge 46 31 Defective Print Cartridge 46 32 Replace unsupported toner cartridge 46 32 Unsupported Print Cartridge 46 34 Short Paper 46 37 Insufficient memory for Flash Memory Defragment operation 47 37 Insufficient memory to collate... option in slot 48 56 Parallel port disabled 48 56 Serial port disabled 48 56 Standard parallel port disabled 48 56 Standard USB port disabled 48 56 USB port disabled 48 58 Too many bins attached 48 58 Too many disks installed 48 58 Too many flash options installed 48 ...
Help Menu Pages
Page 21
... repeating defects on a print job to be replaced. Note: If the defect appears 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...
... repeating defects on a print job to be replaced. Note: If the defect appears 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...
Service Manual
Page 44
... clears. 5. The main fan turns on . The fuser lamp turns on . 13. The developer drive assembly drives the developer shaft in the toner cartridge. 15. 4061-xx0 Power-On Self Test (POST) sequence When you turn . 2-4 Service Manual The operator panel turns on , it performs a... errors or messages may display: • Close Door or Insert Cartridge display if the upper front cover is open or the print cartridge is missing. • Any cartridge errors, such as Defective Cartridge, Prebate Violation, or Missing Cartridge. 11. Another row of pixels are displayed. 4. The fuser ...
... clears. 5. The main fan turns on . The fuser lamp turns on . 13. The developer drive assembly drives the developer shaft in the toner cartridge. 15. 4061-xx0 Power-On Self Test (POST) sequence When you turn . 2-4 Service Manual The operator panel turns on , it performs a... errors or messages may display: • Close Door or Insert Cartridge display if the upper front cover is open or the print cartridge is missing. • Any cartridge errors, such as Defective Cartridge, Prebate Violation, or Missing Cartridge. 11. Another row of pixels are displayed. 4. The fuser ...
Service Manual
Page 64
...76. Corrupted or non-existent feedback signal. No home windows has been detected. • Check toner cartridge. • Check toner sensor No toner sensor transition. • Check toner sensor • Check toner cartridge An incorrect printhead has been detected Check the printhead Printhead lost lock • Check printhead •...of the fan, preventing it from turning. • Bad fan. Main fan took too long to "Toner sensor service check" on page 2-76. Go to "Cartridge fan service check" on page 2-127. Main fan capture data is invalid and speed control is at maximum...
...76. Corrupted or non-existent feedback signal. No home windows has been detected. • Check toner cartridge. • Check toner sensor No toner sensor transition. • Check toner sensor • Check toner cartridge An incorrect printhead has been detected Check the printhead Printhead lost lock • Check printhead •...of the fan, preventing it from turning. • Bad fan. Main fan took too long to "Toner sensor service check" on page 2-76. Go to "Cartridge fan service check" on page 2-127. Main fan capture data is invalid and speed control is at maximum...
Service Manual
Page 71
... tray(s) service check" on page 2-31). User status displays Error code Sub code Display text Toner Low Tray x Missing Tray x Empty Tray x Low Description/action If the toner cartridge is not displayed for the Envelope Feeder or Multipurpose Feeder. If multiple trays are missing, they ...any of the messages in the table are prioritized in the following order: Tray 5, 4, 3, 2, and 1. Empty status is low, then Toner Low displays. If multiple trays are low, they are prioritized in this order: Tray 5, Tray 4,...Tray 1. Diagnostic information 2-31 4061-xx0 User...
... tray(s) service check" on page 2-31). User status displays Error code Sub code Display text Toner Low Tray x Missing Tray x Empty Tray x Low Description/action If the toner cartridge is not displayed for the Envelope Feeder or Multipurpose Feeder. If multiple trays are missing, they ...any of the messages in the table are prioritized in the following order: Tray 5, 4, 3, 2, and 1. Empty status is low, then Toner Low displays. If multiple trays are low, they are prioritized in this order: Tray 5, Tray 4,...Tray 1. Diagnostic information 2-31 4061-xx0 User...
Service Manual
Page 72
..., B5 Envelope, or other Envelope. 2-32 Service Manual 4061-xx0 User attendance messages User attendance messages Error code Sub code Primary message Description/action Change Cartridge Invalid Refill Change Change Change Change Select one of the input options. • =Tray 1, Tray 2, Tray 3, Tray 4, Tray 5, MPF Feeder, Envelope Feeder. • =... or other Envelope. This message displays when the user should change the media installed in one of the following actions: • Remove the toner cartridge and install a new cartridge. • Press and hold and press and...
..., B5 Envelope, or other Envelope. 2-32 Service Manual 4061-xx0 User attendance messages User attendance messages Error code Sub code Primary message Description/action Change Cartridge Invalid Refill Change Change Change Change Select one of the input options. • =Tray 1, Tray 2, Tray 3, Tray 4, Tray 5, MPF Feeder, Envelope Feeder. • =... or other Envelope. This message displays when the user should change the media installed in one of the following actions: • Remove the toner cartridge and install a new cartridge. • Press and hold and press and...
Service Manual
Page 120
Make sure the cover closed switch activation tab on the toner cartridge is not broken and that the right and left cartridge tracks are working. Disconnect the cover closed switch cable from the printer. If the voltage is incorrect, inform the customer. .... CAUTION: When you are not loose or broken. 4061-xx0 Cover closed switch/cable service check FRU 1 Toner cartridge 2 Cover closed switch/cable assembly Action Make sure the toner cartridge is correctly installed and that the tab correctly activates the cover closed switch spring. Warning: Observe all necessary ESD...
Make sure the cover closed switch activation tab on the toner cartridge is not broken and that the right and left cartridge tracks are working. Disconnect the cover closed switch cable from the printer. If the voltage is incorrect, inform the customer. .... CAUTION: When you are not loose or broken. 4061-xx0 Cover closed switch/cable service check FRU 1 Toner cartridge 2 Cover closed switch/cable assembly Action Make sure the toner cartridge is correctly installed and that the tab correctly activates the cover closed switch spring. Warning: Observe all necessary ESD...
Service Manual
Page 145
... in the following order: • Main drive motor assembly • System board Diagnostic information 2-105 Warning: Whenever the gearbox assembly is in the main drive, toner cartridge, fuser, or main drive gearbox. Transport Motor may be handled very carefully. If this does not fix the problem, replace the main drive motor. It...
... in the following order: • Main drive motor assembly • System board Diagnostic information 2-105 Warning: Whenever the gearbox assembly is in the main drive, toner cartridge, fuser, or main drive gearbox. Transport Motor may be handled very carefully. If this does not fix the problem, replace the main drive motor. It...
Service Manual
Page 158
Some slick or coated papers may try to improve the print quality by rough papers, non-Lexmark toner cartridges or if the media texture is set to the rough setting. Check the transfer roll shaft for contamination, pitting, or a loose cable to the transfer ...
Some slick or coated papers may try to improve the print quality by rough papers, non-Lexmark toner cartridges or if the media texture is set to the rough setting. Check the transfer roll shaft for contamination, pitting, or a loose cable to the transfer ...
Service Manual
Page 174
...be printed on letter, legal, or A4 paper. If duplex is displayed. Additional diagnostic information may be installed with the toner cartridge lockout function disabled. Select the media source. Pages two and three only contain graphics. The message Printing Quality Test Pages.... • Configuration information, including printer serial number, controller code level, engine code level, operator panel code level, font versions, and cartridge information. • Default values for the QUALITY MENU settings used to cancel the test. The Print Quality Test pages are duplexed. Page ...
...be printed on letter, legal, or A4 paper. If duplex is displayed. Additional diagnostic information may be installed with the toner cartridge lockout function disabled. Select the media source. Pages two and three only contain graphics. The message Printing Quality Test Pages.... • Configuration information, including printer serial number, controller code level, engine code level, operator panel code level, font versions, and cartridge information. • Default values for the QUALITY MENU settings used to cancel the test. The Print Quality Test pages are duplexed. Page ...
Service Manual
Page 210
Pull the print media up and toward you pull, stop pulling. Place the print cartridge aside. Press . 3-42 Service Manual 4061-xx0 4. You need to light for extended periods. Close the multipurpose feeder. 9. Reinstall the toner cartridge. 7. Close the top front cover. 8. Note: Do not leave the cartridge exposed to access the print media from the printer rear door. 6. Note: The print media may be covered with unfused toner, which can stain garments and skin. 5. Warning: If the print media does not move immediately when you .
Pull the print media up and toward you pull, stop pulling. Place the print cartridge aside. Press . 3-42 Service Manual 4061-xx0 4. You need to light for extended periods. Close the multipurpose feeder. 9. Reinstall the toner cartridge. 7. Close the top front cover. 8. Note: Do not leave the cartridge exposed to access the print media from the printer rear door. 6. Note: The print media may be covered with unfused toner, which can stain garments and skin. 5. Warning: If the print media does not move immediately when you .
Service Manual
Page 235
Remove the two screws (B) securing the left frame extension. 4061-xx0 Repair information 4-17 Turn the printer on its back. 3. Remove the toner cartridge. 2. Remove the two screws (A) holding the right frame extension. 4. Left and right frame extensions 1.
Remove the two screws (B) securing the left frame extension. 4061-xx0 Repair information 4-17 Turn the printer on its back. 3. Remove the toner cartridge. 2. Remove the two screws (A) holding the right frame extension. 4. Left and right frame extensions 1.
Service Manual
Page 421
... example, the distance between these two marks represents a repeating defect that best matches the defects on the printed side of the vertical lines. Replace the toner cartridge 47.8 mm (1.88 in.) 96.8 mm (3.81 in.) Replace the fuser 88.0 mm (3.46 in.) 95.2 mm (3.75 in.) Replace the charge... roller 51.7 mm (2.04 in .), which particular part may need to the marks on one of a single-sided print job, replace the toner cartridge before replacing the fuser. Note: If the defect appears on the print job indicates which means the charge rollers may be replaced. The line that...
... example, the distance between these two marks represents a repeating defect that best matches the defects on the printed side of the vertical lines. Replace the toner cartridge 47.8 mm (1.88 in.) 96.8 mm (3.81 in.) Replace the fuser 88.0 mm (3.46 in.) 95.2 mm (3.75 in.) Replace the charge... roller 51.7 mm (2.04 in .), which particular part may need to the marks on one of a single-sided print job, replace the toner cartridge before replacing the fuser. Note: If the defect appears on the print job indicates which means the charge rollers may be replaced. The line that...