Circuit Related Service Call - Toshiba e-STUDIO2006 Service Manual

8.3.14

Circuit related service call

[C911] Toner cartridge IC chip access board abnormality
Classification
Circuit related service call
Proce
Check item
dure
1 Does the recommended
toner cartridge display
appear when the toner
supply cover is opened
and closed?
2 Toner cartridge
Contact point on the
3
equipment side
4 Is the spring of the contact
point returned when it is
pushed lightly?
MAIN board
5
6 Harness
7 CTIF board
Replacement part
Toner cartridge
MAIN board
Harness
CTIF board
[C940] Engine-CPU abnormality
Classification
Circuit related service call
Check Item
Main power switch
Engine-CPU and FROM
MAIN board
Replacement part
MAIN board
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Abnormal access between the CTRG board and MAIN board
Result
Yes Use the recommended TOSHIBA toner
cartridge.
No
• Check the phenomenon by removing the
toner cartridges and reinserting them.
• Check that the CTRG board of the cartridge
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 is not
deformed.
Yes
No • Check that the CTIF board is installed
properly.
• Board check
• Connector check (CN15)
• Board check
• Connector check (CN15: Main board,
CN150: CTIF board)
• Harness check
• Check that the board is installed properly.
• Board check
Engine-CPU abnormality
Turn OFF the main power switch, then back ON.
Check if the conductor pattern between the Engine-CPU and
FROM is short circuited or open circuited.
Board check
e-STUDIO2006/2306/2506/2007/2307/2507/2303A/2303AM/2803AM/2309A/2809A
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