13,004.43:
TCH_JS_LEFT_SLOW
The left jet stack heater is not heating at all, or is heating
too slowly. Ensure the printer is not located next to an
air-conditioning duct. Check that the printhead-to-drum
gap is not too close (the drum can act as a heatsink).
Inspect the printer wiring. Replace...
4,013.43 (0x240D)
PC_DEV_FAULT_
GEAR_GRIND
During power-on initialization, the engine is unable to disengage
the process motor. Prior to declaring this fault, the engine has
attempted to move the process motor through enough
revolutions to disengage the head tilt mechanism, but the motor...
16,001.43:
TCP_THERMISTOR_
OPEN
The preheater thermistor appears to be open. Check the
preheater cables on the right side of the printer. Replace
the paper preheater. Replace the power supply.
16,001.43:
TCP_THERMISTOR_
OPEN
The preheater thermistor appears to be open. Check the
preheater cables on the right side of the printer. Replace
the paper preheater. Replace the power supply.
From Service Manual:
5,002.42:
YA_POS_FAIL
Y-axis position failure. The drum is not where it should be.
Something is blocking the motion of the drum, the y-axis
belts or motor have failed, or there is a problem with the
Y-axis encoder signal.
7,002.44:
PM_FAULT_PROCESS_
MOTOR_STALL
The process motor stalled during operation. This has
several possible causes, depending on what the process
motor was gear-connected to at the time of failure.
The above is from the 850 service manual.
*k*t**
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