Diagnostic information 2-89
4060-xxx
281 Paper Jam—The paper feeds partway into the standard bin even if finisher
is selected
Note: When a 900 Service Error is displayed during POST the failure is usually in the stapler
gearbox assembly or stapler cartridge.
281 Paper Jam—The paper may jam at the upper deflector.
FRU Action
1 DC motor in drive gearbox
assembly
Stapler card assembly
Turn the printer off, disconnect the motor from J4 and check for
continuity between J4 pins 1, 2, 5, and 6 on the cable and the motor
case. If you get continuity, replace the drive gearbox assembly. If you
do not measure continuity, continue with this step.
Check the voltages on connector J4.
Note: All voltages are approximate values
If the voltages are correct, replace the mechanical drive assembly. If
the voltages are incorrect, replace the stapler card assembly.
FRU Action
1 Swing arm spring Make sure the swing arm spring is connected and not loose or
broken.
2
Clutch assembly
Drive motor assembly
Drive gear
Check the clutch assembly on the right side frame assembly for
correct operation and broken or loose parts.
Check the drive motor assembly and drive gear for damage.
FRU Action
1 Upper deflector Check the upper deflector for signs of broken parts, especially the
hook that holds the upper deflector spring. Check for bowing of the
deflector. Make sure the deflector moves smoothly and freely with no
signs of binds.
2
Upper deflector spring Make sure the upper deflector spring is not loose or broken.
Pin No. Voltage static Voltage feeding
1 +24 V dc +24 V dc
2 +24 V dc Varies +11 V dc to +24 V dc
3 Not used
4Ground
5 +5 V dc Varies +3 V dc to +5 V dc
6 +5 V dc +5 V dc
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