Toshiba e-studio 2555c, Руководство по обслуживанию

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ERROR CODE AND TROUBLESHOOTING
8 - 198
[CE70] Drum drive switching abnormality
Classification Contents
Image control related service call Drum drive switching abnormality: The drum switching
detection sensor (S11) is not turned ON after the drum motor
was rotated for a specified period of time.
Step Check Item Result Measure
Next
Step
1
Is the drum switching motor (M3)
operating properly? (Perform the
output check: 03-240) Yes 5
No 2
2
Drum switching motor (M3) Check the connector of the motor and
joint connectors
3
Drum switching detection sensor
(S11) Sensor check
4
LGC board • Connector check (CN391, CN392)
• Board check
5
Is the drum switching detection
sensor (S11) working? (Perform
the input check: 03-[ALL]OFF/[8]/
[F] (Highlighted in the black
mode)) Yes 8
No 6
6
Drum switching detection sensor
(S11) • Sensor, connector, joint connector
check
• Check if there is any foreign matter
such as grease in the detection
area of the drum switching
detection sensor.
7
LGC board • Connector check (CN391, CN392)
• Board check
8
Is the drum switching motor
assembled in the drum drive unit
able to be rotated smoothly by
hand? Yes 10
No 9
9
Drum switching motor (M3) • While reinstalling the drum
switching motor, push it so that its
gear will slightly move away from
the engaging gear.
• Check the bracket in which the
drum switching motor is installed. If
it is deformed, replace it.
10
Is the drum switching guide able to
be moved smoothly by hand after
the drum switching motor has
been removed? Yes 12
No 11
11
Drum switching motor (M3) Check if the slide area (guide, plate) of
the drum switching guide is deformed
or any foreign matter is attached to it.
(Replace it if there is.)
12 LGC board Board check
Replacement part Measure
Drum switching motor (M3)