Printhead Service Check - Olivetti d-Color MF920 Service Manual

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 4-7. 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
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.
Y112730-2