Printer Service Checks; Xx-Mirror Motor Service Check; Xx-Printhead Error Service Check - Lexmark C520 Series Service Manual

5022-xxx

Printer service checks

110.xx—Mirror motor service check
Step Questions / actions
1 Turn the printer off and remove the rear
cover. Check connector JMIRR1 for proper
connection to system card, printhead cable
for pinch points and cable or connector for
any other damage. Is cable properly
connected and damage free?
2 Replace the system card. Go to
card removal" on page
error clear?
111.xx—Printhead error service check
Step Questions / actions
1 Turn the printer off and remove the rear
cover. Check connector JINT1 (5V interlock
switch cable) for proper connection to
system card, cable for pinch points and cable
or connector for any other damage. Is cable
properly connected and damage free?
2 Check connector JPH1 (large printhead
cable) for proper connection to system card,
cable for pinch points and cable or connector
for any other damage. Is cable properly
connected and damage free?
3 Turn printer power on and check for 5VDC
between JINT1 pin 1 (red wire) and ground.
Is voltage present?
Note: Ground lead of voltmeter can be
placed on metal chasis to obtain ground.
2-26
Service Manual
Go to step 2.
"System Problem solved.
4-47. Does the
Go to step 2.
Go to step 3.
Go to step 4.
Yes
If connector is damaged on
system card, replace
system card. Go to
"System card removal" on
page 4-47. If printhead
cable or connector is
damaged, replace
printhead.Go to
removal" on page
Replace printhead. Go to
"Printhead removal" on
page 4-52.
Yes
If connector is damaged on
system card, replace
system card. Go to
"System card removal" on
page 4-47. If JINT1 cable or
connector is damaged,
replace 5V interlock
switch.Go to
door 5V interlock switch
removal" on page
If connector is damaged on
system card, replace
system card. Go to
"System card removal" on
page 4-47. If printhead
cable is damaged, replace
printhead.Go to
removal" on page
Disconnect JINT1 and
check for 5VDC between pin
1 of system card connector
and ground. If voltage is
present, replace 5V
interlock switch.Go to
"Front access door 5V
interlock switch removal"
on page
not present, replace system
card. Go to
removal" on page
No
"Printhead
4-52.
No
"Front access
4-43.
"Printhead
4-52.
4-43. If voltage is
"System card
4-47.