2-60 Service Manual
5056-XXX
Paper exit, face up service check
Paper skew service check
Paper tray missing service check
FRU Action
1 Face-up exit assembly If the paper is not exiting to the back paper face-up tray or the face-
down tray, check the sensor for proper operation. Look for a
fluctuation of between 0 V and +5 V between pins 1 and 2 of
connector CN5 of the CK2 daughter board while actuating the
sensor.
Check the FU/FD deflector that directs the paper to the proper tray.
Check the FU/FD solenoid for continuity. Also be sure the
connector is properly connected to the printer controller board.
Check the gears and the actuating mechanism for wear or
damage.
2
Printer controller board Check connectors CN18 on the printer controller board, and CN7
on the CK2 daughter board for proper connection on the printer
controller board.
FRU Action
1 Cassette Remove the tray, and turn it upside down. The tray guides are
connected at the center of the tray by a toothed gear that ensures
they move in unison. If not, remove the screw at the center of the
gear and, using a sheet of paper in the tray as a template, realign
the guides.
Reseat the roller at the leading edge of the transfer belt.
Make sure the correct amount of paper is in the tray and that it is
under the corner bucklers.
The paper lift tray must be pushed down to the lock position every
time the drawer is closed.
FRU Action
1 • Size sensor actuators
•Cassette
Check to ensure that the paper size adjustment is correct for the
paper being used. Ensure that the paper size sensor actuators are
not bent or broken. Make sure that there are no broken parts on
the cassette that would allow the cassette to move or shift from its
intended position inside the printer.
2
• CK2 daughter board
• Size sensor board
• Expansion paper feeder
control board
• Printer controller board
Be sure that connector CN18 on the printer controller board is
connected properly. Also check CN4 on the expansion paper
feeder control board for the associated tray.
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