Printer Left Lower Door Open; Scheduled Maintenance Required - Lexmark W840 Service Manual

Printer left lower door open

Step
1 Is the printer left lower door assembly opening and closing
properly?
2 Check the switch (printer front door interlock) for operation.
1. Enter Diagnostics mode.
2. Select BASE SENSOR TESTS
3. Select Cover and Door
4. Select Door B left/lower.
Open the printer front door assembly and check it.
Does the display, on the operator panel, change every time
the switch actuator is operated?
3 Check the switch (printer left lower door interlock)
connection.
Is the switch (printer left lower door interlock) properly
connected?
4 Perform a print test.
Does the error continue?

Scheduled maintenance required

Step
1 Install the proper maintenance kit
Does the message still occur?
Check
Check
Yes
Go to step 2. Check the printer
front door
assembly for
deformation and
reinstall it.
Go to step 4. Go to step 3.
Replace the switch Replace the
(printer front door connection.
interlock).
Go to "Switch
(printer front
door interlock)
removal" on
page 4-5
Replace the Problem solved.
printer engine card
assembly.
Go to "Printer
engine card
assembly
removal" on
page 4-120.
Yes
Reset the Problem solved.
maintenance
counter.
Go to "Select
Reset Maint Cnt
from CONFIG
MENU." on
page 6-2.
Diagnostic information
4024-XXX
No
No
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