Lexmark C540 Service Manual - Page 85

Printhead service check, 2xx, 4xx, Error code, Color, Questions / actions, JMIRR1, Volt.

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5025-2xx, 4xx Printhead service check This service check includes the following errors: Error code 106.xx 107.xx 108.xx 109.xx Color Yellow Cyan Magenta Black Step Questions / actions Yes No 1 Turn the printer off, and remove the rear shield. See "Rear shield removal" on page 4-11. 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 4-49. Go to step 2. 2 Turn the printer on, and then wait until the Replace the controller board Replace the printhead. See printer posts an error. Using a voltmeter, check See "Controller board "Printhead removal" on the following values at JMIRR1: removal" on page 4-19. page 4-49. JMIRR1 Pin Volt. (V dc) 1 5 2 3.3 3 5 4 GND 5 24 Are the values approximately correct? Diagnostic information 2-51

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Diagnostic information
2-51
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
“Rear shield removal” on
page 4-11
. 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 4-49
.
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 4-19
.
Replace the printhead. See
“Printhead removal” on
page 4-49
.
JMIRR1
Pin
Volt.
(V dc)
1
5
2
3.3
3
5
4
GND
5
24