Service Manual
Page 4
... 2-11 Paper tray symptoms 2-12 Duplex option symptoms 2-12 Envelope feeder symptoms 2-12 Messages and error codes 2-13 Service error codes 2-13 Sub error codes for 8xx, 9xx, and 2xx error codes 2-13 User status displays 2-38 ...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
... 2-11 Paper tray symptoms 2-12 Duplex option symptoms 2-12 Envelope feeder symptoms 2-12 Messages and error codes 2-13 Service error codes 2-13 Sub error codes for 8xx, 9xx, and 2xx error codes 2-13 User status displays 2-38 ...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
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... 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
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... 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 removal 4-72 Left and right frame... 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
... 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 removal 4-72 Left and right frame... 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
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... 25: Cabling diagram 2 7-44 Assembly 26: Cabling 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... diagram 6-models X644e/X646e 7-54 Assembly 32: Cabling 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 ... 7-69 Assembly 44: High-capacity feeder 4 7-70 Assembly 45: Options 7-71 Index I-1 Part number index I-9 x Service Manual
... 25: Cabling diagram 2 7-44 Assembly 26: Cabling 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... diagram 6-models X644e/X646e 7-54 Assembly 32: Cabling 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 ... 7-69 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
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...A warning identifies something that might cause a servicer harm. Diagnostic information contains an error indicator table, symptom tables, and service checks used to isolate failing field replaceable units (FRUs). 3. Appendix A contains service tips and information. CAUTION This type of the... voltage in order to locate or repeat symptoms of caution indicates a tipping hazard. -xx Service Manual 7002-xxx Preface This manual contains maintenance procedures for service personnel. CAUTION This type of caution statements: CAUTION A caution identifies something that might damage the...
...A warning identifies something that might cause a servicer harm. Diagnostic information contains an error indicator table, symptom tables, and service checks used to isolate failing field replaceable units (FRUs). 3. Appendix A contains service tips and information. CAUTION This type of the... voltage in order to locate or repeat symptoms of caution indicates a tipping hazard. -xx Service Manual 7002-xxx Preface This manual contains maintenance procedures for service personnel. CAUTION This type of caution statements: CAUTION A caution identifies something that might damage the...
Service Manual
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...) Duplex unit Tray 2 (500 sheets) Model X642e MFP Standard Model X642e MFP With duplex and drawer CAUTION Floor-mounted configurations require additional furniture for stability. 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 also must use either...
...) Duplex unit Tray 2 (500 sheets) Model X642e MFP Standard Model X642e MFP With duplex and drawer CAUTION Floor-mounted configurations require additional furniture for stability. 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 also must use either...
Service Manual
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... x 600 dpi Data streams • PostScript 3 emulation • PCL 6 emulation • PPDS migration tool • PDF v1.5 emulation 1-4 Service Manual x 14 in. (216 mm x 355.6 mm) maximum Simplex ADF with C-path Single pass duplex ADF with C-path ADF optical resolution Document capacity...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) and one ...
... x 600 dpi Data streams • PostScript 3 emulation • PCL 6 emulation • PPDS migration tool • PDF v1.5 emulation 1-4 Service Manual x 14 in. (216 mm x 355.6 mm) maximum Simplex ADF with C-path Single pass duplex ADF with C-path ADF optical resolution Document capacity...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) and one ...
Service Manual
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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-Sheet drawer Envelope option (closed position) ... (14.1 kg) 4 lb (1.8 kg) 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-Sheet drawer Envelope option (closed position) ... (14.1 kg) 4 lb (1.8 kg) 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
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... 80% - Relative humidity: 5% to 34,000 feet) • Storage environment (unpacked) - Altitude: equivalent to 10,300 meters (0 to 95% - Declared sound power level (Bels) (LpAm) 7.0 7.2 6.8 4.5 1-8 Service Manual Temperature: 16 to 32° C (60° to 3,048 meters) • Storage and shipping environment (packaged) - Altitude: 10,000 ft. (0 to 90° F) - Mode Emission...
... 80% - Relative humidity: 5% to 34,000 feet) • Storage environment (unpacked) - Altitude: equivalent to 10,300 meters (0 to 95% - Declared sound power level (Bels) (LpAm) 7.0 7.2 6.8 4.5 1-8 Service Manual Temperature: 16 to 32° C (60° to 3,048 meters) • Storage and shipping environment (packaged) - Altitude: 10,000 ft. (0 to 90° F) - Mode Emission...
Service Manual
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... ✓ (5.83 x 7.17 in . to 215.9 x 355.6 mm (5.5 x 8.27 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...
... ✓ (5.83 x 7.17 in . to 215.9 x 355.6 mm (5.5 x 8.27 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
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You can also check the Lexmark Automated Fax system (LEXFAXSM). 1-12 Service Manual search for papers over 135 g/m2. 2 Includes envelopes fed from the multipurpose feeder only. 3 28 lb bond envelopes are 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...
You can also check the Lexmark Automated Fax system (LEXFAXSM). 1-12 Service Manual search for papers over 135 g/m2. 2 Includes envelopes fed from the multipurpose feeder only. 3 28 lb bond envelopes are 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...
Service Manual
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...envelope feeder as long as the cotton content is available on the Lexmark Web site at a time in the envelope feeder. • A combination of high humidity (over 60%) and the high printing temperatures may seal the envelopes. 1-14 Service Manual Use metal clasps, string ties, or metal folding bars. -... cause poor print quality. Be careful when you are compatible with the envelope supplier. • Load only one size of envelope at www.lexmark.com. Are stuck together or damaged in any exposed adhesive when the flap is in the sealed or closed position. - Have postage stamps ...
...envelope feeder as long as the cotton content is available on the Lexmark Web site at a time in the envelope feeder. • A combination of high humidity (over 60%) and the high printing temperatures may seal the envelopes. 1-14 Service Manual Use metal clasps, string ties, or metal folding bars. -... cause poor print quality. Be careful when you are compatible with the envelope supplier. • Load only one size of envelope at www.lexmark.com. Are stuck together or damaged in any exposed adhesive when the flap is in the sealed or closed position. - Have postage stamps ...
Service Manual
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.... By selecting the appropriate print media and loading it properly, you can avoid most jams. The following steps to your simplex or duplex needs. 1-16 Service Manual Wait approximately five seconds. 3. Note: Try a limited sample of grain short card stock. 7002-xxx Card stock Card stock is loaded in the Paper menu...
.... By selecting the appropriate print media and loading it properly, you can avoid most jams. The following steps to your simplex or duplex needs. 1-16 Service Manual Wait approximately five seconds. 3. Note: Try a limited sample of grain short card stock. 7002-xxx Card stock Card stock is loaded in the Paper menu...
Service Manual
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...Gigabyte High-Capacity Input Tray High Voltage Power Supply Internal Tray 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... Control Card Synchronous Dynamic Random Access Memory Single Inline Memory Module Universally Adjustable Tray Universal Serial Bus Volts alternating current Volts direct current 1-18 Service Manual
...Gigabyte High-Capacity Input Tray High Voltage Power Supply Internal Tray 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... Control Card Synchronous Dynamic Random Access Memory Single Inline Memory Module Universally Adjustable Tray Universal Serial Bus Volts alternating current Volts direct current 1-18 Service Manual
Service Manual
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... from the application, use , the print driver, MarkVision Professional, or the Web pages. Settings changed from the operator panel. MFP operator panels Model X642e Models X644e/X646e 2-2 Service Manual 7002-xxx Understanding the MFP operator panel MFP and scanner settings can be changed from the MFP operator panel, MarkVision Professional, or the Web...
... from the application, use , the print driver, MarkVision Professional, or the Web pages. Settings changed from the operator panel. MFP operator panels Model X642e Models X644e/X646e 2-2 Service Manual 7002-xxx Understanding the MFP operator panel MFP and scanner settings can be changed from the MFP operator panel, MarkVision Professional, or the Web...
Service Manual
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...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 access the Copy menus, too. 2-4 Service Manual Home Returns the LCD to a USB flash memory device using the PDF, TIFF, or JPEG formats. ...Contrast icon Identifies the location of the MFP near (only on model X642e) this icon to as copy, fax, or scan, ...
...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 access the Copy menus, too. 2-4 Service Manual Home Returns the LCD to a USB flash memory device using the PDF, TIFF, or JPEG formats. ...Contrast icon Identifies the location of the MFP near (only on model X642e) this icon to as copy, fax, or scan, ...
Service Manual
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... Number (PIN) is locked. A pop-up screen appears with the Unlock Device button. 2-6 Service Manual Note: If an invalid PIN is entered, Invalid PIN. Touch Unlock Device to Menus & Messages for comprehensive list) (continued) Models X644e, X646e Model X642e Button name Search Held Jobs Held Jobs Function To search on the operator panel...
... Number (PIN) is locked. A pop-up screen appears with the Unlock Device button. 2-6 Service Manual Note: If an invalid PIN is entered, Invalid PIN. Touch Unlock Device to Menus & Messages for comprehensive list) (continued) Models X644e, X646e Model X642e Button name Search Held Jobs Held Jobs Function To search on the operator panel...
Service Manual
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... a screen is not active. Touch a radio button to select it is selected and more information. 2-8 Service Manual 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 the next item...
... a screen is not active. Touch a radio button to select it is selected and more information. 2-8 Service Manual 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 the next item...
Service Manual
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...operator panel does not operate. Printer-random marks (print quality) Go to "Operator panel Help and Home buttons service check-model X642e" on (print quality) page 2-164. 2-10 Service Manual Go to "Print quality-random marks" on page 2-162. Go to operate. Paper jams at exit of... printed page" on page 2-154. Go to "LCD touchscreen display service check-models X644e/X646e" on page 2-161. ...
...operator panel does not operate. Printer-random marks (print quality) Go to "Operator panel Help and Home buttons service check-model X642e" on (print quality) page 2-164. 2-10 Service Manual Go to "Print quality-random marks" on page 2-162. Go to operate. Paper jams at exit of... printed page" on page 2-154. Go to "LCD touchscreen display service check-models X644e/X646e" on page 2-161. ...
Service Manual
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...Go to "Envelope feeder service check" on page 2-127. feeder. Go to "Duplex option service check" on page 2-147. Paper fails to pass from the lower attached Paper Tray option to "Duplex option service check" on page 2-129. 2-12 Service Manual Action Go to the next... higher mounted option. Go to "Input tray(s) service check" on page 2-127. Go to "Duplex option service check" on page 2-147. Media fails to "Envelope feeder service check" on page ...
...Go to "Envelope feeder service check" on page 2-127. feeder. Go to "Duplex option service check" on page 2-147. Paper fails to pass from the lower attached Paper Tray option to "Duplex option service check" on page 2-129. 2-12 Service Manual Action Go to the next... higher mounted option. Go to "Input tray(s) service check" on page 2-127. Go to "Duplex option service check" on page 2-147. Media fails to "Envelope feeder service check" on page ...