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Lexmark M1242
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Error codes
General troubleshooting guide for 900.00 error code system software errors
843.01 and 842.01 Error Messages Appear when Using Pharmacy Label on the ADF
Troubleshooting a 140.80A, 140.82A, 140.83A, or 140.84A service motor error
900 Firmware Error Kernel Crash when the printer is connected to certain networks
938.04A Service Engine Electronics Error
31.60z Reinstall missing or unresponsive imaging unit
900 error message and scanner is heating up
Fixing a 121.xxA service fuser error
31.40C Reinstall missing or unresponsive cartridge
655.84, 31.40R, 31.40Y, 31.60Q, and 31.60R errors
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