2-52 Service Manual
5025-2xx, 4xx
Printhead service check
This service check includes the following errors:
Error code Color
106.xx Yellow
107.xx Cyan
108.xx Magenta
109.xx Black
Step Questions / actions Yes No
1 Turn the printer off, and remove the rear
shield. See “Top cover assembly removal”
on page 4-13. Check the cable at JMIRR1 for
proper connection to the controller board, the
printhead cable for pinch points, and the cable
or connector for any other damage.
Is the cable damaged?
Replace the printhead. See
“Printhead removal” on
page 4-69.
Go to step 2.
2
Turn the printer on, and then wait until the
printer posts an error. Using a voltmeter, check
the following values at JMIRR1:
Are the values approximately correct?
Replace the controller board
See “Controller board
removal” on page 4-20.
Replace the printhead. See
“Printhead removal” on
page 4-69.
JMIRR1
Pin Volt.
(V dc)
15
23.3
35
4GND
524
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