Tektronix PHASER 840 Service Manual page 64

Error code
Additional clues
8. Media jammed on or
completely under stripper
fingers or rapid release
guide - margin too large or
too small
9. Media over stripper
fingers or rapid release
guide - not damaged and
stopped at strip sensor
10. Media under transfix
roller right at stripper
fingers
11. Media doesn't make it
to the transfix roller
22,900.04 Unexpected front door event
1. Media perfect in media
path or tray
22,901.05 Unexpected exit cover event
1. Media perfect in media
path or tray
31,000 Motor Faults
31,001.4x
MP_FAULT_AUX_MOTOR
_ERROR
31,002.4x
MP_FAULT_PROCESS_
MOTOR_STALL
31,003.4x
MP_FAULT_PREHEAT_
EXIT_SENSOR_BAD
Probable cause
a. Preheat sensor not
seated properly
b. Preheat sensor not
properly assembled to
bracket
c. Preheat sensor is bad
a. Problem with strip flag
b. Bad transfix exit sensor
a. Eccentric solenoid
problem
b. Transfix cam problem
c. Cam spring problem
a. Too much drag in drive-
train or preheater
a. Short-grained media
a. Unknown (static?)
b. Someone opened a door
a. Unknown (static?)
b. Someone opened a door
Not used as a device fault condition.
Not used as a device fault condition.
Declared when the sensors around the preheater exit
sensor indicate the presence or absence of media
contrary to that indicated by the preheater exit sensor.
This is usually caused by a piece of media stuck in the
preheater exit sensor.
Action
a. Confirm bracket is
properly screwed down
onto load frame
b. Reseat sensor
c. Replace preheat exit
sensor
a. Replace pivoting blue
lower exit guide
b. Replace sensor
assembly
a. Replace eccentric
solenoid
b. Replace cam
c. Replace drum transfix
assembly
a. Use PC-based
diagnostics to run
"verify drive current
requirements" from the
paper path group, to
check for stall, or feel for
unevenness in motor
rotation by manually
turning. Replace paper
path motor if needed.
Check electronics if
needed
b. Use long-grained media
a. Run again
b. Close door
a. Run again
b. Close door
Service Guide 53