Kyocera FS-C2026MFP+ Service Manual page 133

Code Contents
6400 Zero-cross signal error
The zero-cross signal does
not reach the engine PWB for
more than 1 s.
7001 Toner motor K error
When the toner motor K is
driven, the motor over-current
detection signal is detected
continuously for 50 times (5 s)
at 100 ms intervals.
7002 Toner motor C error
When the toner motor C is
driven, the motor over-current
detection signal is detected
continuously for 50 times (5 s)
at 100 ms intervals.
7003 Toner motor M error
When the toner motor M is
driven, the motor over-current
detection signal is detected
continuously for 50 times (5 s)
at 100 ms intervals.
Causes
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Power source PWB (YC103) and relay PWB
(YC1)
Relay PWB (YC4) and engine PWB (YC9)
Defective power Replace the power source PWB or the
source PWB or engine PWB and check for correct operation
engine PWB. (see page 1-5-29, 1-5-27).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Toner motor K and engine PWB (YC23)
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushes and
tem of the toner gears. Check for broken gears and replace if
motor K. any.
Defective toner Replace the toner motor K.
motor K.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-27).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Toner motor C and engine PWB (YC25)
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushes and
tem of the toner gears. Check for broken gears and replace if
motor C. any.
Defective toner Replace the toner motor C.
motor C.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-27).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Toner motor M and engine PWB (YC24)
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushes and
tem of the toner gears. Check for broken gears and replace if
motor M. any.
Defective toner Replace the toner motor M.
motor M.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-27).
1-4-23
Check procedures/
corrective measures
2MA/2MB