Maintenance Analysis Procedures (Maps); Map 1 - False Side Door Open Message; Map 2 - False Close Front Door Message; Map 3 - False Close Tray (X) Top Cover Message - Lexmark C920 Service Manual

Message
Stapler Missing
Insert Hole Punch Box
Insert Staple Cartridge
210 Staple Jam

Maintenance analysis procedures (MAPS)

Map 1 - False Side Door Open message

Step Questions/actions
1 Close the side (turn guide) door. Does the message
reset?
2 Disconnect CN10 from the CK1 daughter card board.
While activating the door switch, is there continuity at
pins 1 and 2 of the connector?

Map 2 - False Close Front Door message

Step Questions/actions
1 Close the top unit and front cover. Does the message
reset?
2 Is the interlock switch actuator broken?
3 Is the actuator rod that activates the interlock switch on
power supply 2 damaged or broken?

Map 3 - False Close Tray (x) Top Cover message

Step Questions/actions
1 Remove the rear cover on the high-capacity feeder,
and observe LED 9 on the HCF card while actuating
the cover open micro-switch. Does the LED go on and
off while opening and closing the door?
Solution
The staple holder is missing. Place the staple holder in the stapler to
clear the message. Go to "Finisher service check" on page 2-54
check the no staple sensor.
Install the hole punch box. The printer will automatically clear the
message. Go to "Finisher service check" on page 2-54
punch box detect sensor.
The staple cartridge is either missing or installed incorrectly. Correctly
install the staple cartridge. Go to
page 2-54 to check the staple cartridge set sensor.
Open the finisher stapler door, remove the paper from the accumulator,
and remove the staple jam. Go to
page 2-62.
to check the
"Finisher service check" on
"210 Staple jam service check" on
Yes No
Problem solved. Go to step 2.
Replace the Replace the side
printer controller door (turn guide)
board. sensor assembly.
Yes No
Problem solved. Go to step 2.
Replace the front Go to step 3.
door.
Replace the Replace the
actuator rod. power supply 2.
Yes No
Replace the HCF Replace the
card. cover open
micro-switch.
Diagnostic information
5056-XXX
to
2-43