Diagnostic information 2-83
4500
Paper never picks
Paper occasionally picks or picks multiple sheets at once
FRU Action
Sheet feed assembly Make sure the paper tray is correctly
installed. The mylar guide sheet in
the front of the tray must be
positioned in the paper path just
behind the pick roller assembly. This
guide sheet can easily block the
paper path if installed incorrectly.
Paper feed clutch assembly
Engine board
Controller card
Unplug the printer, make sure the
solenoid is installed correctly and its
cable is plugged into J10 (engine
board in E320/E322) or J12
(controller card in E220/E321/E323).
See “Engine board (E320/E322
only) ” on page 5-2 or page 5-6 for
more information.
• If the solenoid is properly plugged
in, unplug unit and check
resistance.
• If the resistance is not
60–75 ohms, replace the
solenoid.
• If the resistance measures
60–75 ohms, see the “Engine
board service check (E320/
E322) ” on page 2-72 or
“Controller card service check
(E220/E321/E323) ” on
page 2-67 for more information.
Replace the engine board or
controller card as necessary.
FRU Action
Pick roller assembly (D–roll) Check pick roller (D–roll) assembly
for wear. Replace as necessary.
Sheet feed assembly Check the friction pad in the sheet
feed assembly for signs of wear.
Replace the sheet feed assembly as
necessary.
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