C0600
Step Check Item Result Action
1
Does the Scanner start moving after
the Power Switch has been turned ON?
YES
Perform step 3.
2
Does the voltage across PJ1A-3 on
PWB-A and GND change from DC5V
to DC0V after the Power Switch has
been turned ON?
YES
Replace PWB-E or M5.
NO
Replace PWB-A.
3
Does the voltage across PJ10A-7 on
PWB-A and GND change from DC5V
to DC0V when PC81 is blocked?
YES
Check the Scanner Drive Cable for
tension and overload. Or, replace
PWB-A.
NO Check PC81.
C0610
Step Check Item Result Action
A
Does M6 start turning after the Power
Switch has been turned ON?
YES
Perform step D.
B
Does the voltage across PJ1A-1 on
PWB-A and GND change from DC5V
to DC0V after the Power Switch has
been turned ON?
NO
Replace PWB-A.
C
Is the voltage across PJ3E-5 on
PWB-E and GND DC24V after the
Power Switch has been turned ON?
YES Replace PWB-E or M6.
NO
Check the 24V line.
D
Does the voltage across PJ2A-6 on
PWB-A and GND change from DC5V
to DC0V when PC90 is blocked (in the
full size and enlargement position)?
YES
Check the Lens Drive Cable for
tension and overload. Or, replace
PWB-A.
NO Check PC90.
C0620
Step Check Item Result Action
I Does M7 start turning? YES Perform step III.
II
Does the voltage across PJ1A-2 on
PWB-A and GND change from DC5V
to DC0V when the Mirror moves?
YES Replace PWB-E or M7.
NO
Replace PWB-A.
III
Does the voltage across PJ2A-5 on
PWB-A and GND change from DC5V
to DC0V when PC86 is blocked?
YES
Check for overload. Or, replace
PWB-A.
NO Check PC86.
T-53