2-40
Finisher Service Manual
4024-110
284.04 Sensor (lower media exit) off jam B.
12
Check the sensor (lower media exit) connection.
Is the above sensor connected properly?
Replace the
sensor (lower
media exit). Go to
“Sensor (lower
media exit)
removal” on
page 4-80
.
Replace the
connection.
13
Perform a test print.
Does the error still occur?
Replace the
finisher controller
card assembly.
Go to
“Finisher
controller card
assembly
removal” on
page 4-118
.
Problem solved.
Step
Check
Yes
No
1
Check the media path.
Open the finisher front door assembly of the finisher.
Check lower media exit roll assembly by turning it with
your fingers.
Is the lower media exit roll assembly installed
correctly?
Go to step 2.
Clean or replace
the lower media
exit roll assembly,
and clean the
media path.
2
Is the lower media exit roll assembly free of damage?
Go to step 3.
Clean or replace
the lower media
exit roll assembly,
and clean the
media path.
3
Check the sensor (lower media exit) for correct
operation.
Perform the sensor (lower media exit) test.
1. Enter Diagnostics mode.
2. Select FINISHER TESTS.
3. Select Sensor Tests.
4. Select Media Path1.
5. Select Lower media exit.
Open the finisher front door.
Move the lower media guide assembly to the right.
Push a sheet of media into the paper path toward the
sensor (lower media exit).
Does the display on the operator panel change every
time the actuator of the sensor (lower media exit) is
operated?
Go to step 5.
Go to step 4.
Step
Check
Yes
No
Summary of Contents for W850dn
Page 8: ...viii Finisher Service Manual 4024 110 ...
Page 12: ...xii Finisher Service Manual 4024 110 ...
Page 22: ...1 6 Finisher Service Manual 4024 110 ...
Page 155: ...Repair information 4 3 4024 110 5 Remove the bridge unit assembly B from the printer B ...
Page 240: ...4 88 Finisher Service Manual 4024 110 25 Remove the main paddle shaft assembly Rear J F K L ...
Page 272: ...4 120 Finisher Service Manual 4024 110 ...
Page 282: ...5 10 Finisher Service Manual 4024 110 ...
Page 284: ...6 2 Finisher Service Manual 4024 110 ...
Page 290: ...7 6 Finisher Service Manual 4024 110 Assembly 4 Covers 3 7 5 9 2 10 6 4 8 1 ...
Page 292: ...7 8 Finisher Service Manual 4024 110 Assembly 5 Covers and front door 3 7 5 2 6 4 1 ...
Page 294: ...7 10 Finisher Service Manual 4024 110 Assembly 6 Stacker bin lift 5 4 6 3 1 2 8 2 3 3 3 1 7 7 ...
Page 298: ...7 14 Finisher Service Manual 4024 110 Assembly 8 Stapler 3 7 5 2 6 4 8 1 ...
Page 300: ...7 16 Finisher Service Manual 4024 110 Assembly 9 Media eject 8 4 9 6 2 7 5 1 3 11 2 3 6 5 10 ...
Page 310: ...7 26 Finisher Service Manual 4024 110 Assembly 14 Electronics 3 5 2 6 4 1 ...
Page 312: ...7 28 Finisher Service Manual 4024 110 Assembly 15 Cables 1 3 7 5 2 6 4 1 ...
Page 316: ...7 32 Finisher Service Manual 4024 110 ...
Page 322: ...I 6 Finisher Service Manual 4024 110 ...