Unsupported Or Unresponsive Imaging Unit Service Check - Lexmark MB3442 Service Manual

Diagnostics and troubleshooting

Unsupported or unresponsive imaging unit service check

1. Check whether the imaging unit installed is genuine and supported by the printer model.
Is the imaging unit a genuine and supported Lexmark unit?
◦ Yes:
Go to step 3.
◦ No:
Go to the next step.
2. Install a genuine and supported Lexmark imaging unit.
Does the problem remain?
◦ Yes:
Go to the next step.
◦ No:
The problem is solved.
3. Perform the following tests:
a. Check the imaging unit contacts for contamination.
b. Check the imaging unit for leaks and damage.
Are the imaging unit and its contacts free of contamination and damage?
◦ Yes:
Go to step 5.
◦ No:
Go to the next step.
4. Clean or replace the imaging unit.
Does the problem remain?
◦ Yes:
Go to the next step.
◦ No:
The problem is solved.
5. Perform the following tests:
a. Check the imaging unit smart chip contacts for contamination.
b. Check if the contacts are bent or damaged.
Are the contacts free of contamination and damage?
◦ Yes:
Go to step 7.
◦ No:
Go to the next step.
6. Clean or repair the smart chip contact.
Does the problem remain?
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