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5061
500-sheet drawer option
For 990.01 Service Error—Tray x, x=Tray 2, 3, or 4, this is the tray that has a problem or needs service.
Note: Verify the autoconnect housing is correctly snapped into the printer and all options and is plugged into the
system board correctly.
Step
Actions and questions
1
Make sure the autocompensator cable is correctly
installed at the tray system board.
Is the cable correctly installed?
2
Make sure the drive assembly cable is connected
correctly to the tray system board.
Is the cable correctly installed?
3
Check for worn or broken parts in the autocompensator
and drive assemblies.
Are any parts worn, broken, or damaged?
Output expander
Step
Actions and questions
1
Mechanical linkage/DC motor assembly—Make sure
the DC motor cable connector is installed at J4 on the
output expander control board.
Is the cable connected correctly?
2
Resistance check—Disconnect J4 from the option
board, and check the resistance of the motor on the
cable connector between J4-1 and J4-2. The
resistance should measure between 115 and 135
ohms.
Is the resistance correct?
3
DC motor—Check between J4-1 and between J4-2
and the case of the DC motor for shorts.
Is the DC motor shorted?
Note: If the DC motor is shorted, the system board
may be damaged.
2-66
Service Manual
Yes
No
Go to step 2
Install the cable
correctly.
Go to step 3
Install the cable
correctly.
Replace the
Replace the
assembly that
FRUs in the
has the defective
following order:
parts.
1. Electronic/
size sensing
assembly.
2. Autocom-
pensator
assembly.
3. Drive
Assembly.
Yes
No
Go to step 2
Reseat the cable,
and recheck for
correct operation
of the option.
Go to step 3
Replace the
mechanical
linkage/DC motor
assembly.
Replace the
Go to step 4
mechanical
linkage/DC motor
assembly.
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