Actions Yes No
Step 1
Check if the printer is using a genuine and supported Lexmark
toner cartridge.
Note: If the printer is using a third‑party cartridge, then refer the
users to their cartridge supplier.
Is the printer using a genuine and supported toner cartridge?
Go to step 3. Go to step 2.
Step 2
Install a genuine and supported toner cartridge.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Turn o the printer, wait for 10 seconds, and then turn on the printer.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
Check the imaging unit contact block (A), including the white and
red wires, for damage or improper installation.
Is the imaging unit contact block free of damage and properly
installed?
Go to step 5. Contact the next
level of support.
Step 5
Replace the power supply. See
“Power supply removal” on
page 339.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
7015
Diagnostics and troubleshooting
70
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