GBC FusionPunch II Service Manual page 92

8. On the Punch I/O PWB, disconnect P/J
3B and Optical Relay Opto1. In the
Diagnostics Mode, sequentially activate
and deactivate the Punch Clutch output.
Observe L0B8 on the Punch I/O PWB.
LED L0B8 sequentially lights and
extinguishes when the output is toggled.
Y N
Reconnect P/J 3B, reinstall the
Optical Relay, and go to Step 9.
Reconnect P/J 3B, reinstall the Optical
Relay, and go to Step 10.
9. Check the continuity of the harness
between the Little Star Controller PWB
P1-HV01 and Punch I/O PWB P22-
OUTB8.
The continuity is OK.
Y N
Replace the harness between the
Punch I/O PWB P/J22 and the Little
Star Controller PWB P1 (PL 6.1A).
Replace the Little Star Controller PWB
(PL 3.1).
10. With the output active, check Optical
Relay Opto1 on the Punch I/O PWB.
The light on the relay is lit when the output
is active.
Y N
Replace Optical Relay Opto1 on
the Punch I/O PWB (PL 3.1).
Go to Step 11.
11. Check the fuse on the Optical Relay.
The fuse is OK.
Y N
Replace the fuse (PL 3.1).
Go to Step 12.
Quality RAP 5.6 Documents Not Punched
12. With the output active, check for +24VDC
supplied to the Punch Clutch Solenoid by
placing the meter leads across P/J 3B-
24VI and P/J 3B-OUTB8.
There is +24VDC across these points.
Y N
Replace the Punch I/O PWB (PL3.1).
Check continuity and shorts to ground in
the harness between the P/J 3B on the
Punch I/O PWB and the Punch Clutch
Solenoid.
The harness is open or shorted to
ground.
Y N
Replace the Punch Clutch Solenoid
(PL 4.3C).
Replace the harness (PL 6.1A).
13. Using the information in the table below,
enter the Diagnostics mode and use the
left/right keys to underscore the Punch
Motor output. Activate the Punch Motor.
Output Diagnostic
Punch Motor P OUTB1 Punch Motor
O7 1100110011001100
The motor activates.
Y N
Activate the motor output again.
Check LED L0B1 on the Punch I/O
PWB. If the LED is lit when the
output is on, go to Step 14. If it is off
when the output is on, go to Step 15.
Check the Punch Document Transport
Assembly for obstructions, burrs, bent or
missing components. Repair/replace as
required (PL 4.2A to 4.2E).
12/2003
3-12
14. On the Punch I/O PWB, disconnect P/
J30. Repeatedly activate and deactivate
the Punch Motor output.
LED L0B1 lights\extinguishes as the
output is activated\deactivated.
Y N
Reconnect J30. Check continuity
and for shorts to ground between
P22-OUTB2 on the Punch I/O PWB
and J1-HV07 on the Little Star
Controller PWB.
If the harness is faulty, replace it (PL
6.1A). If not, replace the Little Star
Controller PWB (PL 3.1).
Check continuity and for shorts to
ground between P 30-OUTB1 on the
Punch I/O PWB and P11-MT3 on the
Punch AC/DC Distribution PWB.
The harness is OK.
Y N
Replace the harness (PL 6.1A).
The Punch Motor is enabled with a
ground on P/J11-MT4. When the output
is activated, there should be 0VDC at
this point. When the output is
deactivated, there should be +24 VDC.
Activate and then deactivate the output
and check for 0VDC and then +24 VDC
between P/J11-MT4 and P/J 12-0V on
the Punch AC/DC Distribution PWB.
There is 0VDC when the output is
activated and +24VDC when it is
deactivated.
Y N
Replace the Punch I/O PWB (PL
3.1).
Go to Step 14A.
GBC FusionPunch II Service Manual