Toshiba e-STUDIO 2555C Service Manual page 703

[C911] Toner cartridge IC chip access board abnormality
Classification
Toner cartridge related service call
Proce
Check item
dure
1 Does non-genuine toner
cartridge display appear
when the front cover is
opened and closed?
2 Toner cartridge
3 Contact point on the
equipment side
4 Is the spring of the contact
point returned when it is
pushed lightly?
Notes:
The spring of the contact point may be released if you push the toner
cartridge all the way in when an abnormality occurs.
5 LGC board
6 HRNS-LGC-TNRIC-212
7 CTIF board for each color
(Y, M, C and K)
Replacement part
Toner cartridge
LGC board
HRNS-LGC-TNRIC-212
CTIF board
© 2012-2013 TOSHIBA TEC CORPORATION All rights reserved
Abnormal access between the CTRG board and LGC board
(High possibility of failure except the LGC board)
Result
Yes Use the genuine toner cartridge.
No
• Check the phenomenon by removing the
toner cartridges (Y, M, C and K) and
reinserting them.
• Check that the CTRG board of each
cartridge (Y, M, C and K) is installed
properly.
• Avoid touching the contact point.
• Wipe the contact point with a soft cloth if it's
stained.
Check that the spring of the contact point for
each color (Y, M, C and K) is not deformed.
Yes
No • Check that the CTIF board is installed
properly.
• Board check
• Connector check (CN375)
• Board check
• Connector check (CN375, CN440)
• Harness check
• Check that the board is installed properly.
• Board check
8 - 147
Contents
Measure
Measure
e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
Next
Step
2
8
7