Toshiba e-STUDIO5540C Service Manual page 116

Multifunctional digital color systems

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Parts to be replaced

Carriage home position sensor

Scan motor harness

[C290] Scanner fuse blowout

Classification

Scanning system related

service call

Is 24V supplied to the SLG

Supply harness

Parts to be replaced

Supply harness

1. Check if the harness of the carriage home position sensor is

connected properly.

2. Check if the mounted parts on the SLG board are damaged

or abnormal.

1. Check if the belt tension is loosened (if the motor screw is

2. Check if the wire and the 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

Error content

The scanning system does not operate due to a blowout of the fuse

in the scanning system.

Result Measure

Not supplied.

Check the following because the signal for checking 24V on the

SLG board is abnormal.

1. Check if 3V is input in 35 Pin of the scanner CPU (IC15).

2. Check if the mounted parts on the SLG board are damaged

or abnormal.

1. Check if the supply harness is connected properly to the

1. Check if 24V and SG on the SLG board are short circuited.

2. Check if the power supply is short circuited by pulling out the

supply harness on the SLG board.

1. Check if the fuse on the LVPS is open circuited.

e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C

ERROR CODE and TROUBLESHOOTING