Toshiba e-studio 2555c, Руководство по обслуживанию

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ERROR CODE AND TROUBLESHOOTING
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[C911] Toner cartridge IC chip access board abnormality
Classification Contents
Toner cartridge related service call Abnormal access between the CTRG board and LGC board
(High possibility of failure except the LGC board)
Proce
dure
Check item Result Measure
Next
Step
1 Does non-genuine toner
cartridge display appear
when the front cover is
opened and closed? Yes Use the genuine toner cartridge.
No 2
2 Toner cartridge • 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.
3 Contact point on the
equipment side Check that the spring of the contact point for
each color (Y, M, C and K) is not deformed.
4 Is the spring of the contact
point returned when it is
pushed lightly? Yes
No • Check that the CTIF board is installed
properly.
• Board check
7
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 • Connector check (CN375)
• Board check
6 HRNS-LGC-TNRIC-212 • Connector check (CN375, CN440)
• Harness check
7 CTIF board for each color
(Y, M, C and K) • Check that the board is installed properly.
• Board check
Replacement part Measure
Toner cartridge
LGC board
HRNS-LGC-TNRIC-212
CTIF board