Kyocera 300ci Service Manual page 264

2JZ/2JX/2JV/2H7-1
Code
C7000 Toner motor problem
After driving of the toner motor starts, the
error signal is not at the H level for 500
ms continuously.
C7100 Toner container motor error
The rated speed achievement signal
does not turn to L within 2 s since toner
container motor is activated.
The rated speed achievement signal is
at the H level for 1 s continuously after
toner container motor is stabilized.
C7101 Toner sensor K problem
Sensor output value of 60 or less or 944
or more continued for 3 s.
C7102 Toner sensor C problem
Sensor output value of 60 or less or 944
or more continued for 3 s.
C7103 Toner sensor M problem
Sensor output value of 60 or less or 944
or more continued for 3 s.
C7104 Toner sensor Y problem
Sensor output value of 60 or less or 944
or more continued for 3 s.
1-4-46
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector YC26 on
connector termi- the engine PWB and the connector of the
nals. toner motor, and the continuity across the
connector terminals. Repair or replace if
necessary.
Broken the gear. Check visually and replace the gear if nec-
essary.
Defective toner Run maintenance item U135 and check if
motor M/C/Y/K. the toner motor operates. If not, replace the
toner motor.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Poor contact in the Check the connection of connector YC26 on
connector termi- the engine PWB and the connector on the
nals. toner container motor, and the continuity
across the connector terminals. Repair or
replace if necessary.
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushings and
tem. gears. Check for broken gears and replace if
any.
Defective toner Run maintenance item U030 and check if
container motor. the toner container motor operates when
YC26-A7 (remote signal) on the engine
PWB goes low. If not, replace the toner con-
tainer motor.
Defective engine Run maintenance item U030 and check if
PWB. YC26-A7 (remote signal) on the engine
PWB goes low. If not, replace the engine
PWB.
Defective develop- Replace the developing unit K (see page 1-
ing unit K. 5-34).
Defective PWB. Replace the main front PWB or engine PWB
and check for correct operation.
Defective develop- Replace the developing unit C (see page 1-
ing unit C. 5-34).
Defective PWB. Replace the sub front PWB or engine PWB
and check for correct operation.
Defective develop- Replace the developing unit M (see page 1-
ing unit M. 5-34).
Defective PWB. Replace the sub front PWB or engine PWB
and check for correct operation.
Defective develop- Replace the developing unit Y (see page 1-
ing unit Y. 5-34).
Defective PWB. Replace the sub front PWB or engine PWB
and check for correct operation.
Remarks