Toshiba e-studio 2555c, Руководство по обслуживанию

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e-STUDIO2555C/3055C/3555C/4555C/5055C © 2012-2013 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
8 - 130
[C290] Scanner fuse blowout
Procedure Check item Measures
1 Carriage locking Check if the carriage locking screw for packaging is
attached.
2 Carriage hole position
sensor 1. Check if the harness is properly connected to the
sensor.
2. Check if the harness is caught or open circuited.
3 SYS board 1. Check if the harness (J002/J121) of the carriage
home position sensor is connected properly.
2. Check if the mounted parts on the SYS board are
damaged or abnormal.
3. Check if 24 V (CN127) on the SYS board is short
circuited.
4. Check if 24 V is supplied to the SYS board (CN127).
4 Scan motor 1. Check if the belt tension is loosened (if the motor
screw is loosened).
2. Check if the carriage wire and the timing belt come off.
3. Check if the connector (J007/J125) is connected to
the motor properly.
4. Check if the harness of the motor is caught or open
circuited.
Parts to be replaced Remark
Carriage home position sensor
Carriage home position sensor
harness
SYS board
Scan motor
Scan motor harness
Classification Error content
Scanning system related
service call The scanning system does not operate due to a blowout of the fuse
in the scanning system.
Check item Result Measure
Is 24V supplied to the SYS
board? Yes Check the following because the signal for checking 24V on
the SYS board is abnormal.
1. Check if 3V is input in 35 Pin of the scanner CPU
(IC301).
2. Check if the mounted parts on the SYS board are
damaged or abnormal.
3. Check if 24V on the SYS board is short circuited.
4. Check if 24V is supplied to the SYS board (CN127).
No 1. Check if the 24V supply harness is properly connected
to the connector (CN127).
2. Check if 24V and SG on the SYS board are short
circuited.
3. Check if the power supply is short circuited by pulling
out the supply harness on the SYS board (CN127).
4. Check if the fuse on the LVPS (F204) is open circuited.
5. Check if there is no abnormality on the LVPS.