Toshiba e-studio 2555c, Service Manual

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e-STUDIO2555C/3055C/3555C/4555C/5055C © 2012-2013 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
8 - 78
8.3.8 Jam in bridge unit
[E910] Paper not reaching the bridge unit transport sensor-1
[E920] Paper stopping at the bridge unit transport sensor-1
Classification Error content
Jam in bridge unit Paper not reaching the bridge unit transport sensor-1
Paper stopping at the bridge unit transport sensor-1
Phenomenon of paper jamming Check item Measures
Paper separation failure at
separation
guide
in the fuser
unit
Fuser unit • Check the gap between the separation
guide
and the fuser belt.

P. 6-86 "6.12.1 Adjustment of the Separation
Guide Gap"
• Paper tranceport check
Drawer Check that paper is not skewed in the side guides
of the drawer.
Leading edge
margin Adjust the margin with 05-4402 (Leading edge
position adjustment) to "Color: 5.5 mm".
Widen the margin if needed.
(Specification Black: 4.2 mm / Color: 5 mm)
•
Use A3/LD paper
• It is easy to check skew with a copy of a solid
image (about 10 mm on its leading edge).
Refer to "6.1.1 Image Related Adjustment".
There are scratches on the
leading paper edge Replace it if needed.Check if the guide is not
deformed. Replace it if needed.
All Bridge unit
exit Check that Mylar on the bridge unit exit is not
deformed. Replace it if needed. (E920)
Finisher Check if paper jamming occurs in the finisher.
Bridge unit
transport
sensor-1
(entrance
sensor) • Sensor check (Perform the input check: 03-
[ALL]OFF[0]/[A])
• Connector check (CN354, J801, J1011)
• Harness check
Bridge unit
gate solenoid • Solenoid check (Perform the output check: 03-
232)
• Connector check (CN354, J804, J1011)
• Harness check
LGC board • Board check
• Connector check (CN354)
• Harness check
Bridge unit • Does the transport roller of the bridge unit work
when the fuser motor is rotated? (Perform the
output check: 03-113/163)
• Check the drive system of the equipment and
bridge unit.
• Check if the rollers in the exit roller, the pressure
spring and the bridge unit are worn out.
Parts to be replaced Remark
Bridge unit transport sensor-1
(entrance sensor)
LGC board
Bridge unit gate solenoid