Finisher Front Door Open - Lexmark w850 Service Manual

4024-XXX

Finisher front door open

Step Check
1 Open and close the finisher front door assembly.
Does it open or close smoothly?
2 Check the switch (finisher front door interlock)
installation
Is the switch (finisher front door interlock) installed
correctly?
3 Check the switch (finisher front door interlock) for
correct operation.
Perform the switch (finisher front door interlock) test.
1. Enter Diagnostics mode.
2. Select FINISHER TESTS.
3. Select Sensor Tests.
4. Select Cover and Door.
5. Select Door G fin front.
Does the display on the operator panel change every
time the detection point of the switch (finisher front
door interlock) is pressed by the tip of the screwdriver?
4 Is the switch (finisher front door interlock) connected
properly?
5 Does the error still occur when the power is turned off
and back on?
6 Replace the finisher controller card assembly. Go to
"Finisher controller card assembly removal" on
page
Does the error still occur when the power is turned off
and back on?
2-90
Finisher Service Manual
4-118.
Yes No
Go to step 2. Check the
finisher front door
assembly for
installation,
correct
deformations, or
replace it. Go to
"Finisher front
door assembly
removal" on
page
Go to step 3. Reinstall the
switch (finisher
front door
interlock). Go to
"Switch
(finisher front
door interlock)
removal" on
page
Go to step 5. Go to step 4.
Replace the Replace the
switch (finisher connection.
front door
interlock). Go to
"Switch
(finisher front
door interlock)
removal" on
page 4-26.
Go to step 6. Problem solved.
Replace the Problem solved.
printer engine
card assembly.
Refer to the
Printer Service
Manual.
4-27.
4-26.