Action Yes No
Step 4
a Make sure that the aligner belts and gears are properly installed.
b Check the belts and gears for wear or damage. Replace if necessary.
See
“Staple finisher—Aligner section” on page 551.
Does the problem remain?
Go to step 5. The problem is solved.
Step 5
a Make sure that the front and rear aligner rollers are properly installed.
b Make sure that the rollers are free of debris or dust.
c Check the rollers for wear or damage. Replace if necessary. See “Staple
finisher aligner roller removal” on page 295.
Does the problem remain?
Go to step 6. The problem is solved.
Step 6
a Reseat the staple unit and staple unit carriage motor cables on the
staple unit interface board.
b Reseat the cable CN120 on the staple finisher controller board.
c If applicable, reseat the junction connectors on the cables.
d Make sure that the cables do not block the path of moving parts.
e Check the cables for damage, and replace if necessary. See “Staple
finisher—Staple section” on page 553.
Does the problem remain?
Go to step 7. The problem is solved.
Step 7
a Make sure that the compiler feed roller shaft is properly installed.
b Check the shaft for wear or damage, replace if necessary. See “Staple
finisher compiler feed roller shaft assembly removal” on page 296.
Does the problem remain?
Go to step 8. The problem is solved.
Step 8
a Make sure that the aligners are properly installed.
b Check the aligners for damage, and replace if necessary. See “Staple
finisher tamper racks removal” on page 315.
Does the problem remain?
Go to step 9. The problem is solved.
Step 9
a Make sure that the tamper tray is properly installed.
b Check the tray for damage, and replace if necessary. See “Staple
finisher—Compiler section 2” on page 549.
Does the problem remain?
Go to step 10. The problem is solved.
4021, 7421
Diagnostic information
162
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