Diagnostics and troubleshooting
116
Paper never arrived at the sensor (MPF/pass-
through).
See
“Sensor (MPF/pass
‑
through): Paper
(MPF tray) failed to arrive service check” on
page 118
.
Paper fed from tray 2 was picked but it never
arrived at the sensor (MPF/pass-through).
See
“Sensor (MPF/pass-through): Paper
(tray 2) failed to arrive service check” on
page 120
.
Paper fed from tray 3 was picked but it never
arrived at the sensor (MPF/pass-through).
See
“Sensor (MPF/pass-through): Paper
(tray 3) failed to arrive service check” on
page 122
.
Paper fed from tray 4 was picked but it never
arrived at the sensor (MPF/pass-through).
See
“Sensor (MPF/pass-through): Paper
(tray 4) failed to arrive service check” on
page 124
.
Paper fed from tray [x] never cleared the sensor
(MPF/pass-through).
See
“Sensor (MPF/pass
‑
through): Paper
failed to clear service check” on page 117
.
Step 5
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments
>
Sensor tests
b
Find the sensor (Input).
Does the sensor status change while toggling the sensor?
Step 6
Check the sensor cable for proper connection, and then reseat if
necessary.
Does the problem remain?
Step 7
Replace the isolation unit. See
“Isolation unit removal” on
page 409
.
Does the problem remain?
Step 8
Perform a print job.
Does the problem remain?
Contact the next
level of support.