Lexmark E320 Service Manual

2-70 Service Manual
4500
Cover interlock switch service check (E220/E321/E323)
Note: Make sure a toner cartridge is installed and the cover closes
all the way, engaging the cover open switch lever.
FRU Action
Cover interlock switch Disconnect the cover interlock cable
from the controller card at J6.
Verify continuity between cable
pin 1 and pin 2 with the door closed.
Verify continuity between cable
pin 1 and pin 3 with the door open.
• If either fail continuity, replace the
cover interlock switch.
• If both pass continuity, turn the
printer on and verify +5 V dc on
pin 2 at J6 on the card.
• Verify pins1 and 3 are ground.
• If voltage or ground is not present,
see “Controller card service
check (E220/E321/E323) ” on
page 2-67 for more information.
Verify discontinuity between pins 2
and 3 whether the door is open or
closed.
Replace the cover interlock switch if
faulty.

Lexmark E320 Specifications

General

Brand	Lexmark
Model	E320
Category	Printer
Language	English