User`s guide

Flowcharts and TablesTroubleshooting
Table 30. No Pickup From Lower Cassette
Step Check Result Action
1 Is paper picking up
correctly from the standard
cassette?
No Go to Table 29.
2 Disable the startup test
page, and remove the top
cover, rear panel, and right
corner panel from the
printer. Disconnect J603
from the exposed edge of
the controller board and
connect a spare sheet
feeder interface cable. Plug
the opposite end of the
interface cable into the
sheet feeder receptacle. Is
paper now picked up from
the lower cassette?
Yes Replace the sheet feeder interface
cable.
3 Reinstall the sheet feeder
and restart the printer. Do
the sheet feeder gearing
and motor rotate?
No Confirm that the sensing arm is intact
and that the lower cassette is
installed. Check that the following
connectors are secure:
• Connector J201 on the DC controller
board.
• The two connectors at the edge of
the pickup controller board.
• The three connectors at the edge of
the sheet feeder controller board.
4 Switch off the printer and
remove the 4-pin cable
from connector J603 along
the front edge of the pickup
controller board. Place
probes between J603-1
(+24 V) and J603-4 (GND)
on the pickup controller
board. Does the voltage
measure 24 V when you
switch on the printer?
No
Ye s
Replace the pickup controller board.
Perform the first module exchange
listed below. If the problem still per-
sists, reinstall the original module and
perform the next exchange.
• Replace the sheet feeder controller
board.
• Replace the sheet feeder controller
block.
• Replace the sheet feeder motor.