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

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Troubleshooting

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