Action Yes No
Step 6
Swap the left and right tamper motors and take note of the error number,
then swap also the motor cables.
Does the same error occur?
Go to step 7. If a 452.73 or 452.74
error occurs, then
replace the right
tamper motor. Go to
“Tamper motor (right)
removal” on page
481
.
Step 7
Remove the left cover and check the connector (J11) on the controller
PCBA.
If
damaged, then replace the staple finisher assembly. Go to
“Staple
finisher assembly removal” on page 461.
Reseat the sensor cables (tamper motor HP and media stack flap) on the
controller PCBA, and then do a print test on the machine.
Does the error remain?
Go to step 8. The problem is solved.
Step 8
Check the tamper drive belt.
Is it free of damage?
Go to step 9. Replace the tamper
drive belt. Go to
“Tamper drive belt
removal” on page
482
.
Step 9
Check the tamper home position flags:
• for damage
• if they move freely when the tamper guides are adjusted
Are the above components ok?
Go to step 10. Replace the staple
finisher assembly. Go
to “Staple finisher
assembly removal” on
page 461.
Step 10
Open the left cover, reseat all connectors on the controller PCBA and then
POR the machine.
Does the error remain?
Replace the controller
PCBA. Go to “Stapler
controller PCBA
removal” on page
486.
The problem is solved.
4063
Diagnostic information
180
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