Lexmark CS720 Service Manual page 177

Error code Description
172.82 The LVPS fuser fan peed did not ramp up to the
required level.
172.83 The LVPS fuser fan stalled.
172.84 The LVPS fuser fan ran too slow.
172.85 The LVPS fuser fan ran too fast.
Lower paper path sensors service check
Action
Step 1
Check the error that appeared.
Is the error 100.41?
Step 2
Check the error that appeared.
Is the error 100.44?
Step 3
Check the cable on the JPKSNS1 connector on the controller board
for proper connection.
Is the cable properly connected?
Step 4
Reconnect the cable.
Does the problem remain?
Step 5
Check the error that appeared.
Is the error 100.42 or 100.43?
Step 6
Check the sensor cables in the isolation unit for proper connection.
Are the cables properly connected?
Step 7
Reconnect the cables.
Does the problem remain?
Action
See "LVPS fuser fan service check" on
page 199.
Diagnostic information
177
Yes No
Go to step 3. Go to step 2.
Go to step 10. Go to step 3.
Go to step 5. Go to step 4.
Go to step 5. The problem is
solved.
Go to step 6. Go to step 10.
Go to step 8. Go to step 7.
Go to step 8. The problem is
solved.
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