Service manual

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 TROUBLESHOOTING
98.05.15
T- 4 8
C0600
C0610
C0620
Step Check Item Result Action
1
Are all connectors on Motor Drive
Board plugged in securely?
NO
Plug them in securely.
2
Check Scanner Reference Position
Sensor PC81.
See p. T-2 (PWB-A (IC4A) APB0)
YES
Check the Scanner Drive Cable for
tension and overload. Or, replace
PWB-A.
NO Check PC81.
3
Is the Scanner drive faulty? YES Correct or replace the faulty part.
NO Replace Motor Drive Board or M5.
Step Check Item Result Action
1
Does M6 start turning after the
Power Switch has been turned ON?
YES
Perform step 4.
2
Does the voltage across PJ16A-1B
on PWB-A and GND change from
DC24V to DC0V after the Power
Switch has been turned ON?
YES Replace Motor Drive Board or M6.
NO
Replace PWB-A.
3
Check Lens Reference Position
Sensor PC90.
See p. T-2 (PWB-A (IC4A) APB1)
YES
Check the Lens Drive Cable for ten-
sion and overload. Or, replace
PWB-A.
NO Check PC90.
Step Check Item Result Action
1
Does M7 start turning when the mir-
ror is out of position and the Power
Switch is turned ON?
YES
Perform step 3.
2
Does the voltage across PJ16A-2B
on PWB-A and GND change from
DC24V to DC0V when the Mirror
moves?
YES Replace Motor Drive Board or M7.
NO
Replace PWB-A.
3
Check Mirror Reference Position
Sensor PC86.
See p. T-2 (PWB-A (IC4A) APB2)
YES
Check for overload. Or, replace
PWB-A.
NO Check PC86.