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Toshiba e-studio 6570c User Manual

Toshiba e-studio 6570c
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8
© 2011 - 2015 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
8 - 319
8.5.16 Color banding (at right angles to feeding direction)
Fig.8-24
Cause/Section Step Check item Measures
Laser optical
unit, Main
charger grid
1 Perform the enforced performing of
image quality closed-loop control (05-
2742).
When the enforced performing of
image quality closed-loop control is
performed, the automatic cleaning of
main charger and the LSU slit glass
cleaning are performed at the same
time.
Main charger 2 Is the needle electrode dirty or
deformed?
Clean or replace the needle
electrode.
Fuser unit 3 Is the fuser belt or pressure roller
dirty?
Clean them.
High-voltage
transformer
(main charger
needle
electrode/grid
and transfer
roller bias)
4 Is the high-voltage transformer output
defective?
Check the circuit and replace the
high-voltage transformer if not
working.
5 Is each joint of high-voltage output
loosened? (Check if any electric
leakage is causing noise.)
Reconnect each joint.
Drum 6 Is there deep scratch on the drum
surface?
Replace the drum, especially if the
scratch has reached the aluminum
base.
7 Are there fine scratches on the drum
surface (drum pitting)?
Check and correct the contact of
cleaning blade and recovery blade.
8 Is the drum grounded? Check the contact of the grounding
plate.
2nd transfer
roller
9 Is the 2nd transfer roller rotating
normally?
Clean the roller area or replace the
roller.
Scanner 10 Is there foreign matter on the carriage
rail?
Remove foreign matter.
Feeding direction

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Toshiba e-studio 6570c Specifications

General IconGeneral
CategoryAll in One Printer
TypeColor Multifunction Printer
Printing TechnologyLaser
Print Speed (Black)65 ppm
Copy Resolution600 x 600 dpi
Fax Transmission Speed33.6 Kbps
Duplex PrintingYes
FunctionsPrint, Copy, Scan
Scan Resolution600 dpi
Original Size11 x 17 inches
Automatic Document FeederYes
ConnectivityEthernet, USB
Network ConnectivityEthernet

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