Toshiba e-STUDIO 5540C Service Manual page 1051

Cause/Section Step
Large driving 5 Is the 2nd transfer roller
load in the 2nd locked?)
transfer
Large driving 6 Is the transfer belt unit
load in the cleaner blade peeled?.
transfer belt
unit cleaner
Poor transport 7 Is there any cause that slows
of the belt of the transport speed of the
the transfer transfer belt?
belt unit
Installation of 8 Is the transfer belt unit
the transfer seated all the way and
belt unit installed?
Is it installed slanted?
Meandering of 9 Is the belt guide of the
the transfer transfer belt unit installed
belt correctly?
Meandering of 10 Is the pointer of the angle
the transfer indicator of the transfer belt
belt unit steering mechanism
within the +/- 2 scale points?
Fluctuation in 11 Is the process unit seated all
drum speed the way and installed?
Fluctuation in 12 Is the drum drive unit
drum drive unit installed normally?
speed
Drum speed 13 Is an abnormal value set for
abnormality drum motor rotation speed
setting value (05-4520)?
Fluctuation in 14 Is the transfer belt driving
transfer belt gear installed normally?
speed Is there any breakage or
deformation of the transfer
belt driving gear?.
Fluctuation in 15 Is the 2nd transfer facing
transfer belt roller shaft deformed?
speed
16 Is the transfer belt drive
motor installed correctly?
Laser scanning 17 Are the laser scanning line
lines warped warped?
Poor skew 18 Is a laser scanning line of
adjustment of any specific color inclined to
laser optical those of other colors? Is
unit there any color whose color
characteristic is significantly
different from others?
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Check item
Replace the 2nd transfer roller
and 2nd transfer cleaning blade.
Replace the transfer belt unit
cleaner blade.
Remove the cause or replace the
transfer belt unit.
Install the transfer belt unit
correctly.
Install the transfer belt correctly.
Correct it.
Replace the cleaning blade.
Check the installation.
Or, replace the drum drive unit.
Set the value to 128.
Check the installation of the gear,
or replace it.
Replace the 2nd transfer facing
roller.
Install the motor properly with a
fixing screw in the correct
position.
Replace the laser optical unit.
Perform steps 1 and 2 several
times, and when tendencies do
not change:
- Check the laser optical unit
related harness connections.
- Reinstall the laser optical unit.
- Or, replace the laser optical unit
8 - 295
Measures
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
Remarks
8