Drift Sensors - Lexmark C792 series Service Manual

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5.
Touch (-) to decrease the value or (+) to increase the value. Once the value appears, touch
value or Back to cancel.
6.
Reprint the Quick Test to evaluate the changes. Continue until each adjustment is correct.
7.
Repeat steps 4 through 6 if required.
8.
Continue until all three colors are aligned. A separate Quick Test prints for each color.
Touch Back to exit the Linearity menu.

Drift Sensors

This check is used to display the status of the thermal system used to compensate for printhead drift.
To perform the test:
1.
From the Diagnostics menu, navigate to:
Alignment Menu > Drift Sensors
2.
Select a color to test.
Test results:
Value:
OK
Error
Open
Short
Range
Number
If Error appears, replace the system board. See
•
•
If a number, Open, or Short appears, check the following:
a.
Check the cable of the appropriate thermistor (cyan, magenta, yellow, or black) to make sure it is
installed correctly to the system board and to the thermistor board. If correct, go to step b.
b.
Check the continuity of the appropriate cable. Replace the cable if there is no continuity. If continuity
is correct, go to step c.
c.
Replace the appropriate thermistor assembly. If this does not fix the problem, replace the system
board.
X
Press Stop ( ) to return to the Alignment Menu.
3-12
Service Manual
Description:
Communication is good
RIP to A/D communication error
Open thermistor error
Short thermistor error
Range error
Detected temperature in Celsius of last
reading. Indicates the system is functioning
properly.
"System board removal" on page
to save the
4-151.
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