Printhead Service Check - Lexmark X543 Service Manual

7525-xxx

Printhead service check

Error code
106.xx
107.xx
108.xx
109.xx
Step Questions / actions
1 Turn the printer off, and remove the rear shield.
See "Rear shield removal" on page
Check the cables connected at JMIRR1 and
JPH1 on the controller board. Check for
damage.
Are the cables damaged?
2 Turn the printer on, and verify the following
values at JMIRR1:
Are the values approximately correct?
2-32
Service Manual
Color
Yellow
Cyan
Magenta
Black
4-7.
JMIRR1
Pin Volt.
(V dc)
1 5
2 3.3
3 5
4 GND
5 24
Yes
Replace the printhead. See
"Printhead removal" on
page 4-56.
Replace the printhead. See
"Printhead removal" on
page 4-56.
No
Go to step 2.
Replace the controller
board. Replace the
controller board. See
"Controller board
removal" on page 4-18.