Action Yes No
Step 7
Replace the sensor (exit).
Does the problem remain?
Go to step 8. The problem is solved.
Step 8
Enter the Diagnostics menu, and then navigate to:
INPUT TRAY TESTS > Feed Tests > Tray 1
Does the leading edge of the paper reach the fuser?
Go to step 9. Go to step 10.
Step 9
Does the leading edge of the paper reach the sensor (fuser exit)?
Go to step 14. Go to step 13.
Step 10
Check the registration roller for wear or damage, and replace if necessary.
Does the problem remain?
Go to step 11. The problem is solved.
Step 11
a Make sure that the registration transport assembly is properly
installed.
b Make sure that the assembly is clear of obstructions.
c Check the assembly for damage, and replace if necessary. See
“Registration transport assembly” on page 282.
Does the problem remain?
Go to step 12. The problem is solved.
Step 12
a Make sure that the registration unit is properly installed.
b Make sure that the unit is clear of obstructions.
c Check the unit for damage, and replace if necessary. See “Registration
unit assembly removal” on page 314.
Does the problem remain?
Go to step 13. The problem is solved.
Step 13
Check the fuser for wear or damage, and replace if necessary. See
“Fuser
removal” on page 279.
Does the problem remain?
Go to step 14. The problem is solved.
Step 14
Check the fuser exit clutch for wear or damage, and replace if necessary.
See
“Fuser removal” on page 279.
Does the problem remain?
Go to step 15. The problem is solved.
7421
Diagnostic information
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