Mitsubishi Electric CP-D70DW Service Manual page 17

3. Flow Chart of Ink Sheet Drive System (M3/M6 Motor)
ALARM LED illuminates.
Open mechanical slide.
Is ink sheet
jammed?
Operate M3 solely using service
application.
Does M3 motor
operate normally?
M3 motor failure.
Check M3 motor.
Motor failure
Connector attachment failure
Lead wire failure
Power line failure
Electrical failures such as drive IC failures
Yes
No
*Service application
Yes
No
Clear ink sheet jam.
Operate M6 solely using service
application.
Does M3 motor
operate normally?
No
M6 motor failure
Check M6 motor.
Motor failure
Connector attachment failure
Lead wire failure
Power line failure
Electrical failures such as drive IC failures
- 4 -
*Service application
Yes
Check other causes.
Check S15, S16, and S12 sensors.