2RV/2RW/2RX/2RY/3RA-3
7-78
C2010: Main motor startup error
Ready signal does not turn on even passing 2s after the main motor starts up.
3 Checking the driving parts The main motor drive parts
do not properly operate.
If the coupling and gear in the
main motor drive section do
not rotate smoothly, clean the
gear and apply grease to it. If
the coupling or gear is bro-
ken, replace it.
4 Replacing the main motor The main motor is faulty. Replace the main motor.
5 Replacing the main/engine
PWB
The main/engine PWB is
faulty.
Replace the main/engine
PWB.
Step Check description Assumed cause Measures Reference
1 Checking the drum unit
and the developer unit
More load is applied to the
main motor drive caused
by the drum unit lockup.
Check if the drum smoothly
rotates manually and if
locked, replace the drum unit.
2 Checking the connection The connector is not prop-
erly connected or the wire
is faulty.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire.
• Main motor - Main/engine
PWB (YC9)
3 Checking the driving parts The main motor drive parts
do not properly operate.
If the coupling and gear in the
main motor drive section do
not rotate smoothly, clean the
gear and apply grease to it. If
the coupling or gear is bro-
ken, replace it.
4 Replacing the main motor The main motor is faulty. Replace the main motor.
5 Replacing the main/engine
PWB
The main/engine PWB is
faulty.
Replace the main/engine
PWB.
Step Check description Assumed cause Measures Reference