Kyocera FS-6950DN Service Manual page 52

2F7-5
Code
7000 Toner motor lock error
A motor over-current signal is detected
continuously for 5 seconds since the
toner motor is activated.
7410 Drum unit non- installing error
The drum unit is not installed or not
installed properly.
The drum PWB EEPROM does not com-
municate normally.
F0 Communication problem between the
F000 main PWB and operation panel PWB
Communication is failed between the
operation panel PWB and the main
PWB.
F010 Main PWB (system DIMM PWB)
checksum error
Checksum failed with system DIMM
PWB on the main PWB.
F020 Main or expanded memory error
Checksum failed with main memory
(RAM) on the main PWB or expanded
memory (DIMM).
F030 General failure
Miscellaneous failure with the main
PWB, other than F000, F010, F020,
F040, and F226, above.
1-4-6
Contents
Causes Check procedures/corrective measures
Lump of toner Replace the toner container.
inside toner con-
tainer.
Defective toner Replace the developer unit (See page P.1-5-
replenishment 10).
drive system.
Defective toner Replace the developer unit (See page P.1-5-
motor. 10).
Defective engine Replace the engine PWB (See page P.1-5-
PWB. 22).
The drum unit is Install the drum unit (See page P.1-5-11).
not installed.
Defective connec- Check the connection of connectors drum
tion drum PWB PWB (YC1) and connect-L PWB (YC3).
(YC1) and con- (See page P.1-4-10, refer to figure 1-4-5)
nect-L PWB (YC3).
Defective drum Replace the drum unit (See page P.1-5-11).
PWB EEPROM.
Defective engine Replace the engine PWB (See page P.1-5-
PWB. 22).
Defective main Turn the power switch off/on to restart the
PWB. printer. If the error is not resolved, replace
main PWB (See page P.1-5-26).
Defective system Replace the system DIMM PWB.
DIMM PWB.
Defective opera- Replace the operation panel PWB.
tion panel PWB.
Defective main Turn the power switch off/on to restart the
PWB. printer. If the error is not resolved, replace
main PWB (See page P.1-5-26).
Defective system Replace the system DIMM PWB.
DIMM PWB.
Defective system Turn the power switch off/on to restart the
main memory printer. If the error is not resolved, replace
(RAM) on the main main PWB (See page P.1-5-26).
PWB.
Defective Replace the expanded memory (DIMM)
expanded memory (See page P.1-2-10).
(DIMM).
Defective main- Turn the power switch off/on to restart the
PWB. printer. If the error is not resolved, replace
main PWB (See page P.1-5-26).
Remarks