Service Manual
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... media sources 1-9 Output media 1-10 Acronyms 1-11 Diagnostic information 2-1 Start 2-1 Power-On Reset (POR) sequence 2-2 Symptom tables 2-3 POST symptom table 2-3 Printer symptom table 2-4 Messages and error codes 2-6 Service error codes 2-6 User attendance messages 2-11 Paper jam messages 2-22 Sub error codes 2-24 Disconnects on the controller card 2-34 iii
... media sources 1-9 Output media 1-10 Acronyms 1-11 Diagnostic information 2-1 Start 2-1 Power-On Reset (POR) sequence 2-2 Symptom tables 2-3 POST symptom table 2-3 Printer symptom table 2-4 Messages and error codes 2-6 Service error codes 2-6 User attendance messages 2-11 Paper jam messages 2-22 Sub error codes 2-24 Disconnects on the controller card 2-34 iii
Service Manual
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...and repair the failure. For information on standard and optional memory, see "Memory and user flash memory" on standard features, including standard memory. Use the error code charts, symptom index, and service checks to the correct field replaceable unit (FRU) or part. See the "Repair information" on page 2-1, for individual users... the factory shipped configuration. After completing the repair, perform tests as needed to help identify parts. General information 1-1 General information 4048-1xx The Lexmark™ T430 (4048-1xx) laser printer is not part of each section.
...and repair the failure. For information on standard and optional memory, see "Memory and user flash memory" on standard features, including standard memory. Use the error code charts, symptom index, and service checks to the correct field replaceable unit (FRU) or part. See the "Repair information" on page 2-1, for individual users... the factory shipped configuration. After completing the repair, perform tests as needed to help identify parts. General information 1-1 General information 4048-1xx The Lexmark™ T430 (4048-1xx) laser printer is not part of each section.
Service Manual
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This is a precaution for personal safety and to prevent damage to repair a printer, look for a malfunctioning printer. Check the: - "Service error codes" on page 2-36 - "Service checks" on page 2-6 - "Solving print quality problems" on page 2-2 - "Power-On Reset (POR) sequence" ...on page 2-11. • Additional information: - "User attendance messages" on page 2-3. • Do you have a symptom, rather than an error message? Diagnostic information 2-1 To determine the corrective action to the printer. Check the "Symptom tables" on page 2-3. • If you have an...
This is a precaution for personal safety and to prevent damage to repair a printer, look for a malfunctioning printer. Check the: - "Service error codes" on page 2-36 - "Service checks" on page 2-6 - "Solving print quality problems" on page 2-2 - "Power-On Reset (POR) sequence" ...on page 2-11. • Additional information: - "User attendance messages" on page 2-3. • Do you have a symptom, rather than an error message? Diagnostic information 2-1 To determine the corrective action to the printer. Check the "Symptom tables" on page 2-3. • If you have an...
Service Manual
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...to "Fuser service check" on page 2-44. 4048-1xx Messages and error codes Service error codes Service error codes are generally non-recoverable except in the transfer roll area. Verify motor is a cabling problem. Service error codes (9xx) Error Description Action 900 RIP software 902 General engine software failure 910 DC exit ... is below speed 913 DC exit motor over speed 914 DC pick motor-no encoder feedback 917 Transfer roll 920 Fuser error 922 Fuser error Server firmware problem. Go to "Fuser service check" on the exit motor is too high or there is plugged into...
...to "Fuser service check" on page 2-44. 4048-1xx Messages and error codes Service error codes Service error codes are generally non-recoverable except in the transfer roll area. Verify motor is a cabling problem. Service error codes (9xx) Error Description Action 900 RIP software 902 General engine software failure 910 DC exit ... is below speed 913 DC exit motor over speed 914 DC pick motor-no encoder feedback 917 Transfer roll 920 Fuser error 922 Fuser error Server firmware problem. Go to "Fuser service check" on the exit motor is too high or there is plugged into...
Service Manual
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... the print cartridge is defective. If the problem persists, contact the next level of support. Check cabling and connectors. 4048-1xx Service error codes (9xx) (continued) Error Description Action 923 Fuser error Fuser is too hot during the motor ramp-up to speed. 937 Transport motor lost lock Replace the printhead. 935 Mirror motor... main drive lock failure motor or a jam occurred during printing or when printer is idle. Go to "Fuser service check" on page 2-40. 924 Fuser error An open circuit has been detected in the fuser thermistor circuit.
... the print cartridge is defective. If the problem persists, contact the next level of support. Check cabling and connectors. 4048-1xx Service error codes (9xx) (continued) Error Description Action 923 Fuser error Fuser is too hot during the motor ramp-up to speed. 937 Transport motor lost lock Replace the printhead. 935 Mirror motor... main drive lock failure motor or a jam occurred during printing or when printer is idle. Go to "Fuser service check" on page 2-40. 924 Fuser error An open circuit has been detected in the fuser thermistor circuit.
Service Manual
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4048-1xx Service error codes (9xx) (continued) Error Description 940 LV Power Supply 941 Controller card 950 Controller card ...operator panel. Replace the controller card. 2-8 Service Manual Check the LVPS for +24 V dc on J21, pin 6. This error may also be caused by a noisy AC input power source. • Be sure the correct LVPS has been installed. ... connector on the LVPS assembly is a mismatch between . Replace the controller card. Replace the controller card. This error indicates an open fuse in the secure NVRAM on the operator panel card and those in line to reset the fuse...
4048-1xx Service error codes (9xx) (continued) Error Description 940 LV Power Supply 941 Controller card 950 Controller card ...operator panel. Replace the controller card. 2-8 Service Manual Check the LVPS for +24 V dc on J21, pin 6. This error may also be caused by a noisy AC input power source. • Be sure the correct LVPS has been installed. ... connector on the LVPS assembly is a mismatch between . Replace the controller card. Replace the controller card. This error indicates an open fuse in the secure NVRAM on the operator panel card and those in line to reset the fuse...
Service Manual
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...a power on the card is bad 961 RAM in slot 1 is bad Action Replace the controller card. 4048-1xx Service error codes (9xx) (continued) Error Description 955 Code CRC 956 Controller card 957 ASIC failure 958 NAND failure 959 SRAM failure 960 RAM soldered on reset (POR). If another... not available, replace the memory option first and then the controller card if necessary. Before proceeding, perform a power on the controller card. Error codes 956, 957, and 959 are controller card failures. If this does not fix the problem, replace the controller card. Where = CRC Failure...
...a power on the card is bad 961 RAM in slot 1 is bad Action Replace the controller card. 4048-1xx Service error codes (9xx) (continued) Error Description 955 Code CRC 956 Controller card 957 ASIC failure 958 NAND failure 959 SRAM failure 960 RAM soldered on reset (POR). If another... not available, replace the memory option first and then the controller card if necessary. Before proceeding, perform a power on the controller card. Error codes 956, 957, and 959 are controller card failures. If this does not fix the problem, replace the controller card. Where = CRC Failure...
Service Manual
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... 4-50. 978 Bad checksum while programming network port. 979 Flash parts failed while programming network port. 980 Comm Service errors 980 through 984, The engine is a network model, replace the controller card. If the printer is can be one...persists, replace the emulation card. 975 Unrecognizable network port 976 Software error in the emulation header or emulation file. 1. communications to the specified device. 2-10 Service Manual 4048-1xx Service error codes (9xx) (continued) Error Description Action 964 Download emulation Perform the following : Engine, experiencing...
... 4-50. 978 Bad checksum while programming network port. 979 Flash parts failed while programming network port. 980 Comm Service errors 980 through 984, The engine is a network model, replace the controller card. If the printer is can be one...persists, replace the emulation card. 975 Unrecognizable network port 976 Software error in the emulation header or emulation file. 1. communications to the specified device. 2-10 Service Manual 4048-1xx Service error codes (9xx) (continued) Error Description Action 964 Download emulation Perform the following : Engine, experiencing...
Service Manual
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... displayed when data is reset. The following actions may be taken: • Press Go to clear the message. This error code displays when too many input trays are entered, or the printer is sent to the network interface. Press Go to clear the message. Turn... with it. Remove the extra trays. 2-20 Service Manual 4048-1xx User attendance messages (continued) Message 53 Unformatted Flash 54 Std Network Software Error 55 Unsupported Flash in Slot x 56 Std Parallel Port Disabled 56 Standard USB Port Disabled 58 Too Many Trays Attached Explanation This message displays when...
... displayed when data is reset. The following actions may be taken: • Press Go to clear the message. This error code displays when too many input trays are entered, or the printer is sent to the network interface. Press Go to clear the message. Turn... with it. Remove the extra trays. 2-20 Service Manual 4048-1xx User attendance messages (continued) Message 53 Unformatted Flash 54 Std Network Software Error 55 Unsupported Flash in Slot x 56 Std Parallel Port Disabled 56 Standard USB Port Disabled 58 Too Many Trays Attached Explanation This message displays when...
Service Manual
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... byte has a different level of the printer. Continue pressing Return and Select until each area of troubleshooting value for sub error codes. 4048-1xx Sub error codes The sub error codes are designed to help diagnose a printer problem. Some or all of information is available by printing the... The first screen of data. The following table displays up to help isolate paper jams and paper feed problems in the base printer. Printed error codes Additional information is obtained. DU xx DU xx xx xx xx xx xx xx To identify the bytes: Byte 1 Byte 2 Byte 3 ...
... byte has a different level of the printer. Continue pressing Return and Select until each area of troubleshooting value for sub error codes. 4048-1xx Sub error codes The sub error codes are designed to help diagnose a printer problem. Some or all of information is available by printing the... The first screen of data. The following table displays up to help isolate paper jams and paper feed problems in the base printer. Printed error codes Additional information is obtained. DU xx DU xx xx xx xx xx xx xx To identify the bytes: Byte 1 Byte 2 Byte 3 ...
Service Manual
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... sensor is too small to meet video requirements. x1=time by which the gap was too small. 2-26 Service Manual 4048-1xx Sub error codes First 6 bytes sub error code data (xx can be any value) 84 xx 00 x1 x2 x3 84 xx 01 x1 84 xx 02 x1 x2 84 xx 03... x1 Explanation Possible error message This code indicates that might cause the paper to remain over the input sensor too long. 200 (x1=media size, x2=source.) Possible causes are: •...
... sensor is too small to meet video requirements. x1=time by which the gap was too small. 2-26 Service Manual 4048-1xx Sub error codes First 6 bytes sub error code data (xx can be any value) 84 xx 00 x1 x2 x3 84 xx 01 x1 84 xx 02 x1 x2 84 xx 03... x1 Explanation Possible error message This code indicates that might cause the paper to remain over the input sensor too long. 200 (x1=media size, x2=source.) Possible causes are: •...
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...and all the sensors are working correctly. • Make sure the paper size setting is correct for this error are: • Paper might be any value) 84 xx 04 84 xx 05 x1 84 xx 0F x1... x2 x3 84 xx 18 Explanation Possible error message The input sensor was detected) • Check the pass thru sensor and flag for correct operation. ...has cleared the pass thru area of the option where the paper jam occurred. 4048-1xx Sub error codes (continued) First 6 bytes sub error code data (xx can be pre-staged in the tray. The option tray pass thru sensor was ...
...and all the sensors are working correctly. • Make sure the paper size setting is correct for this error are: • Paper might be any value) 84 xx 04 84 xx 05 x1 84 xx 0F x1... x2 x3 84 xx 18 Explanation Possible error message The input sensor was detected) • Check the pass thru sensor and flag for correct operation. ...has cleared the pass thru area of the option where the paper jam occurred. 4048-1xx Sub error codes (continued) First 6 bytes sub error code data (xx can be pre-staged in the tray. The option tray pass thru sensor was ...
Service Manual
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...Check the pass thru sensor to potential 200 conflict with the transfer servo. (x1=bit 0: transfer servo started, bit 1: transport started; This code indicates that media has 200 activated the input sensor; Paper too fast to try a new pass thru sensor. x2+x3=transfer servo count value.)...it may have also reached the input sensor early. 4048-1xx Sub error codes (continued) First 6 bytes sub error code data (xx can be necessary to input sensor. • Gap too small on interpage servo. This code indicates that the media 200 activated the input sensor before the printer EP...
...Check the pass thru sensor to potential 200 conflict with the transfer servo. (x1=bit 0: transfer servo started, bit 1: transport started; This code indicates that media has 200 activated the input sensor; Paper too fast to try a new pass thru sensor. x2+x3=transfer servo count value.)...it may have also reached the input sensor early. 4048-1xx Sub error codes (continued) First 6 bytes sub error code data (xx can be necessary to input sensor. • Gap too small on interpage servo. This code indicates that the media 200 activated the input sensor before the printer EP...
Service Manual
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... assembly has been installed. Diagnostic information 2-29 Paper originally detected at input sensor when not expected 200 during warm-up . 4048-1xx Sub error codes (continued) First 6 bytes sub error code data (xx can be any value) 84 xx 30 00 00 00 84 00 08 84 00 10 84 00 31 00 00... 00 Explanation Possible error message Input sensor never became uncovered 200 from the printer. • Enter Diagnostics and perform the Base Sensor test to detect...
... assembly has been installed. Diagnostic information 2-29 Paper originally detected at input sensor when not expected 200 during warm-up . 4048-1xx Sub error codes (continued) First 6 bytes sub error code data (xx can be any value) 84 xx 30 00 00 00 84 00 08 84 00 10 84 00 31 00 00... 00 Explanation Possible error message Input sensor never became uncovered 200 from the printer. • Enter Diagnostics and perform the Base Sensor test to detect...
Service Manual
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... the sheet going through the fuser before the next page begins feeding. (x1=media size) The fuser exit sensor bounced. 4048-1xx Sub error codes (continued) First 6 bytes sub error code data (xx can be caused by a broken fuser exit sensor flag. • This may be failing. Check for correct operation. The fuser exit... 01 89 xx 03 89 xx 04 x1 89 xx 0D 89 00 0E 00 00 00 89 00 0F 00 00 00 Explanation Possible error message The exit sensor at the fuser is activated by erratic operation of exit sensor flag or exit sensor or a defective piece of media. Check...
... the sheet going through the fuser before the next page begins feeding. (x1=media size) The fuser exit sensor bounced. 4048-1xx Sub error codes (continued) First 6 bytes sub error code data (xx can be caused by a broken fuser exit sensor flag. • This may be failing. Check for correct operation. The fuser exit... 01 89 xx 03 89 xx 04 x1 89 xx 0D 89 00 0E 00 00 00 89 00 0F 00 00 00 Explanation Possible error message The exit sensor at the fuser is activated by erratic operation of exit sensor flag or exit sensor or a defective piece of media. Check...
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4048-1xx Sub error codes (continued) First 6 bytes sub error code data (xx can be any media under cartridge before continuing. Possibly staged media caused a quick pick. Sheet coming from duplex unit never 237 made by leading edge 201 of the media fed through the printer. • This error can be displayed after an 201 8D... 00 01 00 00 00 8D 00 02 00 00 00 8D x1 03 x2 x3 x4 8E xx 00 x1 x2 x3 Explanation Possible error message The fuser exit sensor was never activated 201 by a defective fuser exit sensor assembly. Need to the input sensor. (x1=source, x2+x3=timeout...
4048-1xx Sub error codes (continued) First 6 bytes sub error code data (xx can be any media under cartridge before continuing. Possibly staged media caused a quick pick. Sheet coming from duplex unit never 237 made by leading edge 201 of the media fed through the printer. • This error can be displayed after an 201 8D... 00 01 00 00 00 8D 00 02 00 00 00 8D x1 03 x2 x3 x4 8E xx 00 x1 x2 x3 Explanation Possible error message The fuser exit sensor was never activated 201 by a defective fuser exit sensor assembly. Need to the input sensor. (x1=source, x2+x3=timeout...
Service Manual
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... page. (x1+x2=timeout value) 2-32 Service Manual Select Sensor Test and the tray to test to the output tray. 4048-1xx Sub error codes (continued) First 6 bytes sub error code data (xx can be any value) 8E xx 02 x1 x2 8E xx 06 x1 8E xx 09 x1 8E 00 0D x1... x1 11 x2 x3 x4 8E 00 15 x1 00 x2 8E xx 16 00 00 00 8F xx 00 x1 x2 00 Explanation Possible error message This error can be in time.
... page. (x1+x2=timeout value) 2-32 Service Manual Select Sensor Test and the tray to test to the output tray. 4048-1xx Sub error codes (continued) First 6 bytes sub error code data (xx can be any value) 8E xx 02 x1 x2 8E xx 06 x1 8E xx 09 x1 8E 00 0D x1... x1 11 x2 x3 x4 8E 00 15 x1 00 x2 8E xx 16 00 00 00 8F xx 00 x1 x2 00 Explanation Possible error message This error can be in time.
Service Manual
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Duplex sensor never changed state when 235 sheet left duplex (possible sticky sensor). (x1+x2=timeout value). 4048-1xx Sub error codes (continued) First 6 bytes sub error code data (xx can be any value) 8F xx 01 00 00 00 8F xx 02 x1 x2 00 Explanation Possible error message Duplex sensor covered, paper not 238 expected (paper in duplex during warm- up. Diagnostic information 2-33
Duplex sensor never changed state when 235 sheet left duplex (possible sticky sensor). (x1+x2=timeout value). 4048-1xx Sub error codes (continued) First 6 bytes sub error code data (xx can be any value) 8F xx 01 00 00 00 8F xx 02 x1 x2 00 Explanation Possible error message Duplex sensor covered, paper not 238 expected (paper in duplex during warm- up. Diagnostic information 2-33
Service Manual
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... service check FRU Fuser assembly Action Unplug the printer and measure the resistance of the switch. If the fuser heater comes on and a fuser failure error code displays, be sure the thermistor is firmly seated in connector J18 on page 5-7 for continuity across the fuser heater (pins #1 and #3 or outer pins). See...
... service check FRU Fuser assembly Action Unplug the printer and measure the resistance of the switch. If the fuser heater comes on and a fuser failure error code displays, be sure the thermistor is firmly seated in connector J18 on page 5-7 for continuity across the fuser heater (pins #1 and #3 or outer pins). See...
Service Manual
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...Lexmark or your next level of the additional information includes: • Detailed printer information, including model and serial number. • Time and date stamps • Page counts for verification or diagnosis. Model and Serial number Printer information Page count Panel display when error occurred Sub error codes Next error code The printed error... log can be printed from the Error Log menu. 2. Diagnostic aids 3-19 4048-1xx Print Log ...
...Lexmark or your next level of the additional information includes: • Detailed printer information, including model and serial number. • Time and date stamps • Page counts for verification or diagnosis. Model and Serial number Printer information Page count Panel display when error occurred Sub error codes Next error code The printed error... log can be printed from the Error Log menu. 2. Diagnostic aids 3-19 4048-1xx Print Log ...