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