Toshiba e-STUDIO 5540C Service Manual page 1066

Cause/Section Step
Transfer unit 11
12
13
switching 14
regulator
Harnesses for 15
SLG, SYS,
LGC and LDR
boards
Laser optical 16
unit
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
Check item
Is the transfer belt in proper contact
with the drum?
Is the transport of the transfer belt
normal?
Is the 2nd transfer roller contacted
and released properly?
Is the power supply output (5.1VD)
normal?
Are the connectors securely
connected? Is any harness between
the boards open circuited?
Was the protection seal of slit
removed when replacing the unit?
Check if the contact releasing lever is
at releasing position. Check the
installation of the transfer belt.
Check the installation of the transfer
belt or transport mechanism.
Check the connection of the
connector of 2nd transfer roller
contact clutch and open circuit of
harness.
Replace the switching regulator.
Reconnect the connectors securely.
Replace the harness.
Remove the protection seal.
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Measures