Troubleshooting
Service errors
ED—Flash ROM error
Table 6. 14 ED error
Checksum is erroneous with
the flash ROM.
E9 - Toner motor error
Table 6. 15 E9 error
The toner motor is over-
torqued.
Figure 6.12 E9 error
FS-6700
Meaning
• Data readout error on the
flash ROM
Meaning
• Overcurrent in the toner
motor circuitry due to an
axcessive torque
• Loose connector
• Defective gate array on
the engine board
• Defective toner motor
overcurrent detector
E9
(Toner motor
error)
Replace with a
new developer
unit.
E9 goes
off?
Yes
END
6-31
Suggested causes
Suggested causes
No
Replace KP-614
board.
Corrective action
Replace the engine board.
Corrective action
Follow the flow chart on the
next page.