Sos Internal Error; Printhead Control Error - Lexmark X940e Service Manual

7510-XXX

907.03 SOS internal error

Step
1 Perform a POR.
Does the error occur when the power is turned off/on?
2
Turn the printer off for 60 seconds.
Does the error occur when the power is turned off/on again?
3 Perform a POR.
Does the error occur when the power is turned off/on?
907.04 SOS internal error
Step
1 Perform a POR.
Does the error occur when the power is turned off/on?
2 Turn the printer off for 60 seconds.
Does the error occur when the power is turned off/on again?
3 Perform a POR.
Does the error occur when the power is turned off/on?

907.05 Printhead control error

Step
1
Perform a POR.
Does the error occur when the power is turned off/on?
2 Turn the printer off for 60 seconds.
Does the error occur when the power is turned off/on again?
2-142
MFP Service Manual
Check
Check
Check
Yes
Go to step 2. Perform several
print tests.
If the problem
remains, go to
step 2.
Go to step 3. Problem solved.
Replace the RIP Problem solved.
card assembly.
Go to "RIP card
assembly
removal" on
page 4-71.
Yes
Go to step 2. Perform several
print tests.
If the problem
remains, go to
step 2.
Go to step 3. Problem solved.
Replace the RIP Problem solved.
card assembly.
Go to "RIP card
assembly
removal" on
page 4-71.
Yes
Go to step 2. Perform several
print tests.
If the problem
remains, go to
step 2.
Go to step 3. Problem solved.
No
No
No