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Symptom
CR does not
When the CR returns
move properly.
to the home position,
abnormal noise is
heard and the fatal
error is indicated.
Paper is not fed
PF motor does not
properly.
rotate when the printer
is powered on. (CR
lock lever is not
released and abnormal
noise is heard, then the
fatal error occurs.)
When the printer is
turned on, the printer
repeats paper loading
motion, then indicates
the fatal error.
When the printer is
turned on, the printer
repeats paper loading
motion and indicates
the paper jam error.
When the printer is
turned on, the fatal
error occurs if the load
button or printing
operation is activated.
when the printer is
turned of, the printer
starts loading paper if
the load button is
pressed or the printing
operation is activated.
But the loading motion
does not complete and
the paper empty error
occurs.
Rev. A
Table 5-11. Repair of the Printer Mechanism (2)
Description
Possible cause
The cap in the
cap assembly
does not fit the
cap frame.
PF motor
connector cable
is disconnected.
PF motor coil is
open.
Foreign objects
are lodged
between the ASF
HP sensor
terminals.
ASF HP sensor
is defective.
Foreign objects
are lodged on
the PE sensor.
ASF/pump motor
connector cable
is disconnected.
ASF HP sensor
connector cable
is disconnected.
ASF/pump motor
coil is open.
The black gear
(27.2) on the
right edge of the
ASF is not
engaged with the
ASF LD roller
shaft.
PE sensor
connector cable
is disconnected.
Checkpoint
Check if the cap
assembly is properly
installed.
Check if the PF motor
connector cable is
connected to the CN13.
Check the PF motor
coil resistance referring
to Table 5-3.
Check if there is foreign
object lodged between
the ASF HP sensor
terminals.
Check if the ASF HP
sensor is properly
functioning referring to
Table 5-2.
Check if foreign objects
are lodged at the PE
sensor lever and rear
paper guide.
Check if the ASF/pump
motor connector cable
is connected to the
CN11.
Check if the ASF HP
sensor connector cable
is connected to the
CN7.
Check the ASF/pump
motor coil resistance
referring to Table 5-3.
Check if the gear (27.2)
on the right edge of the
ASF is engaged with
the LD roller shaft.
Check if the PE sensor
connector cable is
connected to the CN8.
Troubleshooting
Solution
Reinstall the cap
assembly or replace
the cap assembly.
Connect the PF
motor connector
cable to the CN13.
Replace the PF
motor.
Remove the foreign
objects.
Replace the ASF
HP sensor.
Remove the foreign
objects.
Connect the
ASF/pump motor
connector cable to
the CN11.
Connect the ASF
HP sensor
connector cable to
the CN7.
Replace the
ASF/pump motor.
Reinstall the gear
(27.2).
Connect the PE
sensor connector
cable to the CN8.
5-17

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Table Of Contents

Troubleshooting

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