8
© 2011 - 2015 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
8 - 297
Transfer belt
unit
8 Is the transfer belt rotating
correctly?
Install the transfer belt
drive motor correctly.
2nd transfer
unit
9 Check if there is no abnormality
on the surface of the 2nd transfer
roller.
Replace the 2nd
transfer roller.
10 Check if any white void in the
halftone occurs at the same time.
Apply the measure
following “25.5.27”.
Transportation
speed
11 Check if an abnormal value is set
for the transportation speed.
Drum motor 05-4520 (0 to 3)
Registration motor 05-4523 (0 to
3)
Fuser roller 05-4529 (0 to 6)
Change the value
back to the default.
Transfer belt 12 The density stripe which occurs
once every few copies in certain
positions in the primary scanning
direction.
Check if the belt surface is
scratched.
The rotation period of the belt is
approx. 1118mm.
Replace the transfer
belt.
Transfer belt
cleaning facing
roller
13 Density belt pattern of 105mm
pitch
Clean or replace the
transfer belt cleaning
facing roller.
Developer
sleeve
14 Is the pitch of the density
fluctuation 43.5mm?
Replace the developer
sleeve
Jitter
(1.9mm pitch)
15 Density stripe pattern (jitter) of
1.9mm pitch in Black mode
printing
Replace the developer
sleeve.
Replace the 2nd
transfer drive unit.
Replace the LSU.
Jitter
(1.35mm pitch)
16 Density stripe pattern (jitter) of
135mm pitch in cyan and
magenta
Check if the laser
optical unit cooling fan
(front) is installed
properly.
Replace the fan if
there is an
abnormality.
Cause/Section Step Check item Measures Remarks
To Next Page
Loading...
