Lexmark B2650 Service Manual page 65

Note: Before performing this print quality check, go to the control panel home screen and navigate to
Settings > Troubleshooting > Print Quality Test Pages, and then perform the Initial print quality check.
See "Initial print quality check" on page
Actions
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?
Step 2
Install a genuine and supported toner cartridge.
Does the problem remain?
Step 3
a
Check the status of the imaging unit.
1
From the home screen, select Status/supplies.
2
Select View Supplies .
b
Check the condition of the imaging unit.
Is the imaging unit near end of life and/or showing signs of toner
leakage?
Step 4
Replace the imaging unit.
Does the problem remain?
Step 5
Check if toner specks appear only on the edges or back side of
the pages.
Do toner specks appear only on the edges or back side of the
pages?
Step 6
Replace the transfer roller. See
page 206.
Does the problem remain?
Step 7
Check the printer for stray toner contamination.
Is the printer contaminated with stray toner?
26.
"Transfer roller removal" on
Diagnostics and troubleshooting
65
4600-830, -835, -895
Yes No
Go to step 3. Go to step 2.
Go to step 3. The problem is
solved.
Go to step 4. Go to step 5.
Go to step 5. The problem is
solved.
Go to step 6. Go to step 7.
Go to step 7. The problem is
solved.
Go to step 8. Contact the next
level of support.