Printronix L1024 User Manual
Page 98
4–6
Diagnostics and Troubleshooting
Fatal Error Messages
This section provides a description of error conditions that cause printing to stop.
These errors are provided for information only. The corrective action in all cases
is to first perform the reset function described in the Operator’s Guide. If the
printer reset does not solve the problem, cycle the printer power. If a reset or
power cycle does not solve the problem, call your authorized service
representative.
Message
Problem
15 FUSER FAIL
Call Service
A rotation error of the pressure roller cam has occurred.
There is an unfused image at the fuser.
16 FUSER FAIL
Call Service
Pressure roller cam did not stop or is out of position after
stop attempt or the sensor is bad.
17 FUSER FAIL
Call Service
Pressure roller cam did not start or the sensor is bad.
18 FUSER FAIL
Call Service
The sensor that detects the position of the speed control
plate is defective.
23 THRMISTR FAIL
Call Service
Thermistor wire broken.
24 THRMISTR FAIL
Call Service
Thermistor shorted due to extraordinarily high temperature.
25 ENCODER FAIL
Call Service
Defective or dirty encoder needs to be replaced.
26 HEATER FAIL
Call Service
Fuser did not warm up within specified time.
27 HEATER FAIL
Call Service
Fuser temperature not maintained during printing.
28 BEAM DET FAIL
Call Service
Beam detect failure. Motor spinning but not generating
interrupts.
29 LSU FAIL
Call Service
No “ready” returned from LSU phase lock circuit.
30 LSU FAIL
Call Service
LSU phase lock lost.
31 LSU FAIL
Call Service
“Ready” returned from LSU phase lock circuit but LSU
motor not enabled.
32 MISPRINT ERROR
Call Service
Failed handshaking between engine and CPU controller
board.
33 REPLACE EEPRM
Call Service
Engine controller EEPROM has exceeded its life
expectancy of 100,000 writes.
35 EC CKSUM FAIL
Call Service
A checksum error occurred while reading the EEPROM on
the engine controller board.