6-22
FS-1800/1800N | FS-3800/3800N
(18) E9 Toner motor error
Call service
personE9:0123456
Replace with a new
toner kit. See page 3-4.
Yes
No
"E9"
shown?
Replace engine board
(KP-864) and developer.
See page 5-22 and 3-13.
High voltage unit
End.
Harness (S02416) [Between developer and high voltage unit]
Harness (S02416) [Between engine board and high voltage unit]
NOTE:
If the problem is not solved by
this flow chart, replace the
following items:
Meaning Suggested causes Corrective action
Toner motor is
overloaded.
TNMOC is detected by
sampling every other
100 ms in 2 seconds
since the main and
toner motors are
activated following the
Replace toner
Clean printer
message after
the Toner low
TK-60 is detected.
• Overcurrent in the toner motor circuitry due
to an excessive torque, caused by hardened
toner.
• Defective gate array U204 on the engine
board.
• Improper connector insertion.
• Defective harness between developer and
high voltage unit.
• Defective harness between high voltage unit
and engine board.
Follow the flow chart
below.
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