Service Manual
Page 4
... machine service check 2-125 Duplex option service check 2-127 Envelope feeder service check 2-129 Flatbed size sensor service check 2-131 Fuser service checks 2-132 920.xx-Cold fuser service check 2-132 922.xx-Cold fuser check 2-134 923.xx-Hot fuser service check 2-135 924.xx-Hot fuser service check 2-136 925.xx-Hot fuser service check 2-137 iv Service Manual
... machine service check 2-125 Duplex option service check 2-127 Envelope feeder service check 2-129 Flatbed size sensor service check 2-131 Fuser service checks 2-132 920.xx-Cold fuser service check 2-132 922.xx-Cold fuser check 2-134 923.xx-Hot fuser service check 2-135 924.xx-Hot fuser service check 2-136 925.xx-Hot fuser service check 2-137 iv Service Manual
Service Manual
Page 6
... Gap Adjust 3-21 EVENT LOG 3-21 Display Log 3-21 Print Log 3-22 Clear Log 3-22 SCANNER TESTS 3-23 ASIC Test 3-23 Feed Test 3-23 Scanner Manual Registration 3-23 Sensor Tests 3-23 Configuration menu (CONFIG MENU 3-24 Entering Configuration Menu 3-24 Available menus 3-24 Maintenance Page Count 3-25 Reset Maintenance Counter 3-25... Prompts 3-31 Envelope Prompts 3-32 Jobs On Disk 3-32 Disk Encryption 3-32 Wipe Disk 3-33 Font Sharpening 3-34 Require Standby 3-34 LES Applications 3-34 vi Service Manual
... Gap Adjust 3-21 EVENT LOG 3-21 Display Log 3-21 Print Log 3-22 Clear Log 3-22 SCANNER TESTS 3-23 ASIC Test 3-23 Feed Test 3-23 Scanner Manual Registration 3-23 Sensor Tests 3-23 Configuration menu (CONFIG MENU 3-24 Entering Configuration Menu 3-24 Available menus 3-24 Maintenance Page Count 3-25 Reset Maintenance Counter 3-25... Prompts 3-31 Envelope Prompts 3-32 Jobs On Disk 3-32 Disk Encryption 3-32 Wipe Disk 3-33 Font Sharpening 3-34 Require Standby 3-34 LES Applications 3-34 vi Service Manual
Service Manual
Page 8
... 4-58 Operator panel left cover assembly removal 4-61 Operator panel right cover assembly removal 4-64 Touchscreen bezel removal 4-66 LCD touchscreen removal-models X644e and X646e 4-67 LCD touchscreen removal-model X642e 4-69 Multipurpose feeder/lower front cover assembly removal 4-71 Left cover handle holder removal 4-72 Right cover handle holder... 4-113 Modem removal 4-115 MPF arm assembly removal 4-116 MPF lower paper deflector 4-117 MPF pick tire removal 4-118 MPF solenoid assembly removal 4-119 viii Service Manual
... 4-58 Operator panel left cover assembly removal 4-61 Operator panel right cover assembly removal 4-64 Touchscreen bezel removal 4-66 LCD touchscreen removal-models X644e and X646e 4-67 LCD touchscreen removal-model X642e 4-69 Multipurpose feeder/lower front cover assembly removal 4-71 Left cover handle holder removal 4-72 Right cover handle holder... 4-113 Modem removal 4-115 MPF arm assembly removal 4-116 MPF lower paper deflector 4-117 MPF pick tire removal 4-118 MPF solenoid assembly removal 4-119 viii Service Manual
Service Manual
Page 10
... diagram 3 7-45 Assembly 27: Cabling diagram 4-model X642e 7-46 Assembly 28: Cabling diagram 4-models X644e/X646e 7-48 Assembly 29: Cabling diagram 5 7-50 Assembly 30: Cabling diagram 6-model X642e 7-52 Assembly 31: Cabling diagram 6-models X644e...diagram 7 7-56 Assembly 33: Cabling diagram 8-model X642e 7-57 Assembly 34: Cabling diagram 8-models X644e/X646e 7-58 Assembly 35: Optional 250-sheet paper drawer 7-59 Assembly 36: Optional 250-sheet paper tray 7-... 7-69 Assembly 44: High-capacity feeder 4 7-70 Assembly 45: Options 7-71 Index I-1 Part number index I-9 x Service Manual
... diagram 3 7-45 Assembly 27: Cabling diagram 4-model X642e 7-46 Assembly 28: Cabling diagram 4-models X644e/X646e 7-48 Assembly 29: Cabling diagram 5 7-50 Assembly 30: Cabling diagram 6-model X642e 7-52 Assembly 31: Cabling diagram 6-models X644e...diagram 7 7-56 Assembly 33: Cabling diagram 8-model X642e 7-57 Assembly 34: Cabling diagram 8-models X644e/X646e 7-58 Assembly 35: Optional 250-sheet paper drawer 7-59 Assembly 36: Optional 250-sheet paper tray 7-... 7-69 Assembly 44: High-capacity feeder 4 7-70 Assembly 45: Options 7-71 Index I-1 Part number index I-9 x Service Manual
Service Manual
Page 20
... to prevent problems. 7. Appendix A contains service tips and information. CAUTION This type of caution indicates there is divided into the following chapters: 1. 7002-xxx Preface This manual contains maintenance procedures for service personnel. Unplug the product before you are working...note provides additional information. Warning: A warning identifies something that might cause a servicer harm. There are discussed. 2. CAUTION This type of caution indicates a tipping hazard. -xx Service Manual CAUTION This type of caution indicates a hot surface. Special tools and test ...
... to prevent problems. 7. Appendix A contains service tips and information. CAUTION This type of caution indicates there is divided into the following chapters: 1. 7002-xxx Preface This manual contains maintenance procedures for service personnel. Unplug the product before you are working...note provides additional information. Warning: A warning identifies something that might cause a servicer harm. There are discussed. 2. CAUTION This type of caution indicates a tipping hazard. -xx Service Manual CAUTION This type of caution indicates a hot surface. Special tools and test ...
Service Manual
Page 22
...X646e MFP Standard Model X644e or X646e MFP With duplex and drawer Scanner Standard output bin Control panel Multipurpose feeder Tray 1 (integrated tray or standard tray) Tray 1 (integrated tray or standard tray) Duplex unit Tray 2 (500 sheets) Model X642e MFP Standard Model X642e MFP ...standard X642e and X644e MFPs and X642e and X644e MFPs configured with a duplex unit and a 500-sheet drawer. You must have a printer stand or printer base. More information is available on our Lexmark Web site at www.lexmark.com/multifunctionprinters. 1-2 Service Manual Certain other configurations ...
...X646e MFP Standard Model X644e or X646e MFP With duplex and drawer Scanner Standard output bin Control panel Multipurpose feeder Tray 1 (integrated tray or standard tray) Tray 1 (integrated tray or standard tray) Duplex unit Tray 2 (500 sheets) Model X642e MFP Standard Model X642e MFP ...standard X642e and X644e MFPs and X642e and X644e MFPs configured with a duplex unit and a 500-sheet drawer. You must have a printer stand or printer base. More information is available on our Lexmark Web site at www.lexmark.com/multifunctionprinters. 1-2 Service Manual Certain other configurations ...
Service Manual
Page 24
7002-xxx Specifications General MFP specifications Scanner Scanner type Scanner technology Light sources Max optical resolution Scan area (flatbed) Scanner ADF ADF type Lexmark X642e Lexmark X644e/X646e Color flatbed scanner with ADF Charge coupled device (CCD) Two Cold Cathode Fluorescent Lamp (CCFL) ...• 600 x 600 dpi Data streams • PostScript 3 emulation • PCL 6 emulation • PPDS migration tool • PDF v1.5 emulation 1-4 Service Manual x 14.0 in. (216 mm x 355 mm) Hot roll fuser Hot roll fuser Built-in Group 3 compatible, full Built-in . x 14.0 in. ...
7002-xxx Specifications General MFP specifications Scanner Scanner type Scanner technology Light sources Max optical resolution Scan area (flatbed) Scanner ADF ADF type Lexmark X642e Lexmark X644e/X646e Color flatbed scanner with ADF Charge coupled device (CCD) Two Cold Cathode Fluorescent Lamp (CCFL) ...• 600 x 600 dpi Data streams • PostScript 3 emulation • PCL 6 emulation • PPDS migration tool • PDF v1.5 emulation 1-4 Service Manual x 14.0 in. (216 mm x 355 mm) Hot roll fuser Hot roll fuser Built-in Group 3 compatible, full Built-in . x 14.0 in. ...
Service Manual
Page 26
7002-xxx Dimensions Description Printer Lexmark X642e Lexmark X644e Lexmark X646e Lexmark X646e (with duplex and 500-sheet option) Options Duplex 500-page option 250-Sheet drawer 500-Sheet drawer 2,000-...mm) 15.7 in. (398 mm) 15.7 in. (398 mm) * Envelope option (support fully * extended) MFP Stand with Cabinet 31.5 in. (800 mm) Low Profile MFP Stand 22.8 in. (579 mm) MFP Stand without Cabinet 31.5 in. (800 mm) Stability Enhanced Caster Base 6.0 in. (152 mm) 10 Inch ... 4 lb (1.8 kg) 64 lb (29.0 kg) 45 lb (20.4 kg) 64 lb (28.1 kg) 25 lb (11.3 kg) 17.1 lb. (7.8 kg) 1-6 Service Manual
7002-xxx Dimensions Description Printer Lexmark X642e Lexmark X644e Lexmark X646e Lexmark X646e (with duplex and 500-sheet option) Options Duplex 500-page option 250-Sheet drawer 500-Sheet drawer 2,000-...mm) 15.7 in. (398 mm) 15.7 in. (398 mm) * Envelope option (support fully * extended) MFP Stand with Cabinet 31.5 in. (800 mm) Low Profile MFP Stand 22.8 in. (579 mm) MFP Stand without Cabinet 31.5 in. (800 mm) Stability Enhanced Caster Base 6.0 in. (152 mm) 10 Inch ... 4 lb (1.8 kg) 64 lb (29.0 kg) 45 lb (20.4 kg) 64 lb (28.1 kg) 25 lb (11.3 kg) 17.1 lb. (7.8 kg) 1-6 Service Manual
Service Manual
Page 28
...; to 40° C (32° to 110° F) - Temperature: -40° to 43° C (-40° to 104° F) - Declared sound power level (Bels) (LpAm) 7.0 7.2 6.8 4.5 1-8 Service Manual Relative humidity: 8 to 90° F) - Temperature: 16 to 32° C (60° to 80% - Relative humidity: 5% to 80% Acoustics All measurements are made in accordance...
...; to 40° C (32° to 110° F) - Temperature: -40° to 43° C (-40° to 104° F) - Declared sound power level (Bels) (LpAm) 7.0 7.2 6.8 4.5 1-8 Service Manual Relative humidity: 8 to 90° F) - Temperature: 16 to 32° C (60° to 80% - Relative humidity: 5% to 80% Acoustics All measurements are made in accordance...
Service Manual
Page 30
... appear in . to 215.9 x 355.6 mm ✓ (5.83 x 7.17 in the Paper Size menu until Tray Size Sensing is specified by the software application. 1-10 Service Manual 250-sheet tray 500-sheet tray 250 UAT 400 UAT Multipurpose feeder 2000-sheet drawer (option) Envelope feeder (option) Duplex unit (option) Standard output bin...
... appear in . to 215.9 x 355.6 mm ✓ (5.83 x 7.17 in the Paper Size menu until Tray Size Sensing is specified by the software application. 1-10 Service Manual 250-sheet tray 500-sheet tray 250 UAT 400 UAT Multipurpose feeder 2000-sheet drawer (option) Envelope feeder (option) Duplex unit (option) Standard output bin...
Service Manual
Page 32
... limited to 25% cotton content. 4 Printing label applications on the MFP requires a special label fuser cleaner. 5 Information on whether your vinyl label converter has passed Lexmark criteria is preferred for "converter list." You can also check the Lexmark Automated Fax system (LEXFAXSM). 1-12 Service Manual 7002-xxx Print media weight Print media Type Integrated tray...
... limited to 25% cotton content. 4 Printing label applications on the MFP requires a special label fuser cleaner. 5 Information on whether your vinyl label converter has passed Lexmark criteria is preferred for "converter list." You can also check the Lexmark Automated Fax system (LEXFAXSM). 1-12 Service Manual 7002-xxx Print media weight Print media Type Integrated tray...
Service Manual
Page 34
... of high humidity (over 60%) and the high printing temperatures may seal the envelopes. 1-14 Service Manual Have an interlocking design. - If you are considering before buying large quantities. Use transparencies designed ... For best performance, use only high-quality envelopes that are considering using, check with the MFP before buying large quantities. Fingerprints on the surface of 230°C (446°F) without melting... with the envelope supplier. • Load only one size of envelope at www.lexmark.com. Have any exposed adhesive when the flap is 25% or less. Always ...
... of high humidity (over 60%) and the high printing temperatures may seal the envelopes. 1-14 Service Manual Have an interlocking design. - If you are considering before buying large quantities. Use transparencies designed ... For best performance, use only high-quality envelopes that are considering using, check with the MFP before buying large quantities. Fingerprints on the surface of 230°C (446°F) without melting... with the envelope supplier. • Load only one size of envelope at www.lexmark.com. Have any exposed adhesive when the flap is 25% or less. Always ...
Service Manual
Page 36
... can avoid most jams. The following steps to your simplex or duplex needs. 1-16 Service Manual Storing print media Use the following guidelines to help you load it. By selecting the appropriate print media and loading it into the MFP. • We recommend the use preprinted card stock manufactured with chemicals that may...
... can avoid most jams. The following steps to your simplex or duplex needs. 1-16 Service Manual Storing print media Use the following guidelines to help you load it. By selecting the appropriate print media and loading it into the MFP. • We recommend the use preprinted card stock manufactured with chemicals that may...
Service Manual
Page 38
...AIO CCD CRU DIMM DRAM EP EPROM ESD FRU GB HCIT HVPS ITC LASER LCD LED LES LVPS MDC MFP MPF NVRAM OPT PC PIN PJL POR POST PP PWM RIP SCC SDRAM SIMM UAT USB V ac ...Card Light Amplification by Stimulated Emission of Radiation Liquid Crystal Display Light-Emitting Diode Lexmark Embedded Solution (applications) Low Voltage Power Supply Motor Driver Control Multifunction Printer Multipurpose Feeder Nonvolatile Random Access Memory Optical Sensor Photoconductor Personal Identification Number Printer... Adjustable Tray Universal Serial Bus Volts alternating current Volts direct current 1-18 Service Manual
...AIO CCD CRU DIMM DRAM EP EPROM ESD FRU GB HCIT HVPS ITC LASER LCD LED LES LVPS MDC MFP MPF NVRAM OPT PC PIN PJL POR POST PP PWM RIP SCC SDRAM SIMM UAT USB V ac ...Card Light Amplification by Stimulated Emission of Radiation Liquid Crystal Display Light-Emitting Diode Lexmark Embedded Solution (applications) Low Voltage Power Supply Motor Driver Control Multifunction Printer Multipurpose Feeder Nonvolatile Random Access Memory Optical Sensor Photoconductor Personal Identification Number Printer... Adjustable Tray Universal Serial Bus Volts alternating current Volts direct current 1-18 Service Manual
Service Manual
Page 40
... Professional, or the Web pages. Changing a setting from an application override changes made to the MFP. Settings changed several ways: through the MFP operator panel, the software application in use the MFP operator panel, MarkVision Professional, or the Web pages. Changes made from the operator panel. If ...or print driver apply only to the job being sent to print, fax, copy, and e-mail settings from the MFP operator panel, MarkVision Professional, or the Web pages makes that setting the user default. MFP operator panels Model X642e Models X644e/X646e 2-2 Service Manual
... Professional, or the Web pages. Changing a setting from an application override changes made to the MFP. Settings changed several ways: through the MFP operator panel, the software application in use the MFP operator panel, MarkVision Professional, or the Web pages. Changes made from the operator panel. If ...or print driver apply only to the job being sent to print, fax, copy, and e-mail settings from the MFP operator panel, MarkVision Professional, or the Web pages makes that setting the user default. MFP operator panels Model X642e Models X644e/X646e 2-2 Service Manual
Service Manual
Page 42
... Copy menus. These menus are only available when the MFP is shown, press a number to access the Copy menus, too. 2-4 Service Manual Buttons and touchscreen icon buttons Buttons and touchscreen icon buttons (refer to Menus & Messages for comprehensive list) Models X644e, X646e Model X642e Copy Button name Copy Function Touch to the... as copy, fax, or scan, to open the menu screen, or to respond to messages. Home screen and Home screen buttons After the MFP is turned on and a short warm-up period occurs, the LCD shows the following basic screen which adjusts the contrast on the LCD.
... Copy menus. These menus are only available when the MFP is shown, press a number to access the Copy menus, too. 2-4 Service Manual Buttons and touchscreen icon buttons Buttons and touchscreen icon buttons (refer to Menus & Messages for comprehensive list) Models X644e, X646e Model X642e Copy Button name Copy Function Touch to the... as copy, fax, or scan, to open the menu screen, or to respond to messages. Home screen and Home screen buttons After the MFP is turned on and a short warm-up period occurs, the LCD shows the following basic screen which adjusts the contrast on the LCD.
Service Manual
Page 44
...copy starts may occur. appears. A pop-up screen appears with the Continue button. Held Jobs Lock Device Unlock Device Models X644e and X646e-This button appears on the operator panel. Enter the correct PIN to unlock the numeric keypad (0-9) and the Backspace button on the screen...home screen returns with the Unlock Device button. To unlock the MFP: 1. Once the operator panel is locked, the PIN entry screen clears, and the Lock Device button is replaced with the Unlock Device button. 2-6 Service Manual Touch Unlock Device to lock the operator panel which locks both ...
...copy starts may occur. appears. A pop-up screen appears with the Continue button. Held Jobs Lock Device Unlock Device Models X644e and X646e-This button appears on the operator panel. Enter the correct PIN to unlock the numeric keypad (0-9) and the Backspace button on the screen...home screen returns with the Unlock Device button. To unlock the MFP: 1. Once the operator panel is locked, the PIN entry screen clears, and the Lock Device button is replaced with the Unlock Device button. 2-6 Service Manual Touch Unlock Device to lock the operator panel which locks both ...
Service Manual
Page 46
...See the "Home screen and Home screen buttons" on page 2-4 for creating a custom button based on a screen is selected and more information. 2-8 Service Manual Allows specifying that the last page is scanned, and then printing the job would begin. When on every screen except the home screen. On the... to the home screen. 7002-xxx Buttons and touchscreen icon buttons (refer to Menus & Messages for comprehensive list) (continued) Models X644e, X646e Model X642e Button name Function Up arrow Touch the up arrow to move up to show that it is active. Cancel Cancel Touch Cancel to...
...See the "Home screen and Home screen buttons" on page 2-4 for creating a custom button based on a screen is selected and more information. 2-8 Service Manual Allows specifying that the last page is scanned, and then printing the job would begin. When on every screen except the home screen. On the... to the home screen. 7002-xxx Buttons and touchscreen icon buttons (refer to Menus & Messages for comprehensive list) (continued) Models X644e, X646e Model X642e Button name Function Up arrow Touch the up arrow to move up to show that it is active. Cancel Cancel Touch Cancel to...
Service Manual
Page 48
... work Go to "Duplex option service check" on page 2-149. Go to "LCD touchscreen display service check-models X644e/X646e" on (print quality) page 2-164. 2-10 Service Manual Touchscreen panel blank, LED is on Go to "LCD touchscreen display service check-models X644e/X646e" on page 2-156. 500-... 2-149. Operator panel LED does not come on while MFP operates normally Go to "Operator panel right cover assembly service check" panel buttons do not operate. Paper feed problems-printer or integrated Go to "Paper feed service check-printer" on page 2-149 Touchscreen panel blank, LED...
... work Go to "Duplex option service check" on page 2-149. Go to "LCD touchscreen display service check-models X644e/X646e" on (print quality) page 2-164. 2-10 Service Manual Touchscreen panel blank, LED is on Go to "LCD touchscreen display service check-models X644e/X646e" on page 2-156. 500-... 2-149. Operator panel LED does not come on while MFP operates normally Go to "Operator panel right cover assembly service check" panel buttons do not operate. Paper feed problems-printer or integrated Go to "Paper feed service check-printer" on page 2-149 Touchscreen panel blank, LED...
Service Manual
Page 50
... Tray. Paper skews in the Duplex Option. Go to "Duplex option service check" on page 2-127. Paper jams at Paper Removal Tray. Go to "Envelope feeder service check" on page 2-129. Go to "Envelope feeder service check" on page 2-129. 2-12 Service Manual Envelope feeder symptoms Symptom Action Envelopes do not feed properly into printer...
... Tray. Paper skews in the Duplex Option. Go to "Duplex option service check" on page 2-127. Paper jams at Paper Removal Tray. Go to "Envelope feeder service check" on page 2-129. Go to "Envelope feeder service check" on page 2-129. 2-12 Service Manual Envelope feeder symptoms Symptom Action Envelopes do not feed properly into printer...