Toshiba e-STUDIO120 Copier User Manual


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CN120
MCU
Interface connector
Thermistor
Thermostat open
An abnormally high temperature
in the machine may cause the problem.
Check that the fan rotates normally.
(Similarly to H3-00.)
Check the setup of the kind of the fan.
SIM 26-63. The current setup is "2."
Sim 5-02
If the fan does not rotate normally,
check the fan connector and the
fan control signal. Replace the fax.
Use a tester to check the
AC line of the interface
connector. Replace the
fusing unit.
Check release of the headlock switch.
Check the scanner unit operation with SIM 1-01.
Does not operate.
Operates.
The shading sheet does not read.
The check item is the same as that of E7-10.
Check the connector. (CN103).
Check that the drive belt is properly applied to the scanner unit.
Check the drive signal of the scanner motor.
(OUT A+, A-, OUT B+, B-)
Abnormally heavy load of the scanner drive
(Improper engagement of the motor drive gear and the belt drive
gear)
(Abnormally high belt tension)
If there are no signals, replace the MCU.
If there are signals, replace the motor.
Follow the above signal line.
MHPS does not detect the home position. (MHPS, harness, PWB)
Check the scanner unit operation with SIM 1-01.
Check the connector (CN103)
Check that the drive belt is properly applied to the scanner unit.
Check the drive signal of the scanner motor.
(OUT A+, A-, OUT B+, B-)
Abnormally heavy load of the scanner drive
(Improper engagement of the motor drive gear and the belt drive
gear)
(Abnormally high belt tension
Operates.
Check the operation of MHPS. When
executing SIM 1-01, check that the DV
replacement lamp should light up.
(If the lamp lights up, check the items of
"Does not operate."
Does not operate.
If there are no signals, replace the MCU.
If there are signals, replace the motor.
Follow the above signal line.
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