Service Manual
Page 66
...Hot fuser service check" on page 2-135. Go to "924.xx-Hot fuser service check" on page 2-136. 7002-xxx Service error codes (9xx.xx) (continued) Error code Sub codes Display text Description Action 923 .51 923 .91 924 .01 924 .11 924 .21 924 .31 924 .41...8226; Thermistor cable not connected or thermistor actually open . Open thermistor check failure. Lamp detection performed and found error. Go to hardware faults. Go to do lamp detection and NVRAM bit indicates previous wrong lamp detected. Open thermistor check failure. Too hot to "924.xx-Hot fuser service check...
...Hot fuser service check" on page 2-135. Go to "924.xx-Hot fuser service check" on page 2-136. 7002-xxx Service error codes (9xx.xx) (continued) Error code Sub codes Display text Description Action 923 .51 923 .91 924 .01 924 .11 924 .21 924 .31 924 .41...8226; Thermistor cable not connected or thermistor actually open . Open thermistor check failure. Lamp detection performed and found error. Go to hardware faults. Go to do lamp detection and NVRAM bit indicates previous wrong lamp detected. Open thermistor check failure. Too hot to "924.xx-Hot fuser service check...
Service Manual
Page 67
....xx-Hot fuser service check" on page 2-137. Fuser page count between 300,000 and 399,999. Lamp detection performed and found error. Too hot to do lamp detection and NVRAM bit indicates previous wrong lamp detected. Go to "925.xx-Hot fuser service check" on page 2-137. Too hot to do... lamp detection and NVRAM bit indicates previous wrong lamp detected. Fuser page count between 200,000 and 299,999. Lamp detection performed and found error. Go to "925.xx-Hot fuser service check" on page 2-137. Too hot to "...
....xx-Hot fuser service check" on page 2-137. Fuser page count between 300,000 and 399,999. Lamp detection performed and found error. Too hot to do lamp detection and NVRAM bit indicates previous wrong lamp detected. Go to "925.xx-Hot fuser service check" on page 2-137. Too hot to do... lamp detection and NVRAM bit indicates previous wrong lamp detected. Fuser page count between 200,000 and 299,999. Lamp detection performed and found error. Go to "925.xx-Hot fuser service check" on page 2-137. Too hot to "...
Service Manual
Page 68
...8226; External blockage of fan • Fan may be too low. Go to "Main fan service check" on page 2-119. Lamp detection performed and found error. Go to "Main fan service check" on page 2-119. Main fan underspeed or stalled during speed adjustment state. • Corrupted feedback signal. • ...) Error code Sub codes Display text Description Action 925 .52 925 .91 925 .92 927 .00 927 .01 927 .02 927 .03 927 .04 927 .05 927 .06 Too hot to do lamp detection and NVRAM bit indicates previous wrong lamp detected. Too hot to do lamp detection and NVRAM bit...
...8226; External blockage of fan • Fan may be too low. Go to "Main fan service check" on page 2-119. Lamp detection performed and found error. Go to "Main fan service check" on page 2-119. Main fan underspeed or stalled during speed adjustment state. • Corrupted feedback signal. • ...) Error code Sub codes Display text Description Action 925 .52 925 .91 925 .92 927 .00 927 .01 927 .02 927 .03 927 .04 927 .05 927 .06 Too hot to do lamp detection and NVRAM bit indicates previous wrong lamp detected. Too hot to do lamp detection and NVRAM bit...
Service Manual
Page 71
...clock check failed PQET failed to pass RAM tests on the system board System board 949 .00 Delay line calibration failure System board 950 .00 NVRAM mismatch Action Go to "950.00 through 950.60 EPROM mismatch failure" on page 4-131. Replace the system board. Go to "Main ...correct LVPS assembly has been installed. See "Low voltage power supply removal" on page 4-131. Diagnostic information 2-33 7002-xxx Service error codes (9xx.xx) (continued) Error code Sub codes Display text Description 937 .71 937 .80 Loss of lock detected by higher level code. If the correct supply ...
...clock check failed PQET failed to pass RAM tests on the system board System board 949 .00 Delay line calibration failure System board 950 .00 NVRAM mismatch Action Go to "950.00 through 950.60 EPROM mismatch failure" on page 4-131. Replace the system board. Go to "Main ...correct LVPS assembly has been installed. See "Low voltage power supply removal" on page 4-131. Diagnostic information 2-33 7002-xxx Service error codes (9xx.xx) (continued) Error code Sub codes Display text Description 937 .71 937 .80 Loss of lock detected by higher level code. If the correct supply ...
Service Manual
Page 73
...the printer will be rendered inoperable. See "Operator panel right cover assembly removal" on page 2-121. 7002-xxx Service error codes (9xx.xx) (continued) Error code Sub codes Display text 950 .30- It must be used in another machine. Diagnostic information 2-35 If this... on page 4-64. This is not followed, the printer will be rendered inoperable. Service NVRAM .60 mismatch Description EPROM mismatch failure 952 .00 953 .00 NV failure:n CRC error has occurred. Warning: Never install and remove components listed above . Replace the operator panel ...
...the printer will be rendered inoperable. See "Operator panel right cover assembly removal" on page 2-121. 7002-xxx Service error codes (9xx.xx) (continued) Error code Sub codes Display text 950 .30- It must be used in another machine. Diagnostic information 2-35 If this... on page 4-64. This is not followed, the printer will be rendered inoperable. Service NVRAM .60 mismatch Description EPROM mismatch failure 952 .00 953 .00 NV failure:n CRC error has occurred. Warning: Never install and remove components listed above . Replace the operator panel ...
Service Manual
Page 88
...printer. • Replace cartridge. 31 .xx Defective Print Cartridge 32 .00 Unsupported cartridge Error code 31 displays when the top front cover is closed and an unsupported print Cartridge ...reprinted once a good print cartridge is detected. Make sure the Paper Size setting in NVRAM. This message can only occur if the Resolution Reduction setting is correct for the ...Note: 1200 dpi pages are inaccessible. 30 .xx Invalid refill, The MFP detects a refilled Lexmark Cartridge Return Program print change cartridge cartridge. The message appears once. Some held jobs are not ...
...printer. • Replace cartridge. 31 .xx Defective Print Cartridge 32 .00 Unsupported cartridge Error code 31 displays when the top front cover is closed and an unsupported print Cartridge ...reprinted once a good print cartridge is detected. Make sure the Paper Size setting in NVRAM. This message can only occur if the Resolution Reduction setting is correct for the ...Note: 1200 dpi pages are inaccessible. 30 .xx Invalid refill, The MFP detects a refilled Lexmark Cartridge Return Program print change cartridge cartridge. The message appears once. Some held jobs are not ...
Service Manual
Page 133
... Action Remove the fuser exit sensor . See "Fuser exit sensor flag and spring removal" on the fuser exit sensor flag may not be reset in NVRAM. Review the following information before performing any service checks. • Paper feed problems (especially paper jams): Go to "Display Log" on page 3-21... sensor flag is made , it does not return to help isolate a problem before taking the machine apart or removing any options. 202.03 Error code service check The spring on the narrow media sensor flag may not be working on the printer. • Use the resident diagnostics test provided...
... Action Remove the fuser exit sensor . See "Fuser exit sensor flag and spring removal" on the fuser exit sensor flag may not be reset in NVRAM. Review the following information before performing any service checks. • Paper feed problems (especially paper jams): Go to "Display Log" on page 3-21... sensor flag is made , it does not return to help isolate a problem before taking the machine apart or removing any options. 202.03 Error code service check The spring on the narrow media sensor flag may not be working on the printer. • Use the resident diagnostics test provided...
Service Manual
Page 156
... off and on several times. This resets the non-critical areas of support or call Lexmark. 900.90 Error code service check Service scanner-This error indicates defective modem hardware. Turn the machine off . With Error Code 900 displayed, press and 2. FRU 1 Modem Action Replace the modem. 2-118 ...Service Manual Record the complete list of Sub Error Codes on the display, then call your next level of the user NVRAM. This error indicates that no modem is present on an MFP not configured to support a modem. If Error Code 900 continues to display, go to step 2....
... off and on several times. This resets the non-critical areas of support or call Lexmark. 900.90 Error code service check Service scanner-This error indicates defective modem hardware. Turn the machine off . With Error Code 900 displayed, press and 2. FRU 1 Modem Action Replace the modem. 2-118 ...Service Manual Record the complete list of Sub Error Codes on the display, then call your next level of the user NVRAM. This error indicates that no modem is present on an MFP not configured to support a modem. If Error Code 900 continues to display, go to step 2....