7510-XXX
Step
4
Check the media feed/lift motor (tray 3) for proper
operation.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Tray 3 media feed/lift motor.
Warning: The media tray must be opened before performing
this test or paper jam may occur.
Does the above component operate properly?
5
Check the media feed/lift motor (tray 3) for proper
connection.
Is the above component properly connected?
6
Perform a POR.
Does the error continue when the power is turned off/on?
944.00 Switch (media size) size sensing error (tray 4)
Step
1
Check the media.
Is media loaded in tray 4 properly?
2
Check the media tray.
Are the size sensing mechanisms on the back and the
bottom of the media tray damaged.
3
Check the tray 4 switch (media size) for proper
operation.
1. Enter the Diagnostics Menu.
2. Touch INPUT TRAY TESTS.
3. Touch Sensor Test.
4. Touch Tray 4.
5. Touch Tray 4 present.
Does the display on the operator panel, change every
time the media tray is opened and closed?
2-160
MFP Service Manual
Check
Caution: When performing motor tests,
ensure that all cover and door interlock
switches are overridden.
Check
Yes
Go to step 6.
Go to step 5.
Replace the media
Replace the
feed/lift motor.
connection.
Go to
"Media feed
lift motor
removal" on
page
4-110.
Replace the upper
Problem solved.
printer engine card
assembly.
"Upper
Go to
printer engine
card assembly
removal" on
page
4-74.
Yes
Go to step 2.
Load media
properly.
Replace the media
Go to step 3.
tray assembly.
Go to step 5.
Go to step 4.
No
No