Lexmark MB2236 User Manual page 136

Troubleshoot a problem
Action
Step 2
a
Check if the printer is using a genuine and supported Lexmark
toner cartridge.
Note: If the toner cartridge is not supported, then install a
supported one.
b
Print the document.
Do vertical dark streaks with missing images appear on prints?
Repeating defects
Note: Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to
Settings > Troubleshooting > Print Quality Test Pages. For non‑touch‑screen printer models, press
navigate through the settings.
Action
Step 1
Using the Print Quality Test Pages, check if the distance
between the repeating defects is equal to any of the following:
Imaging unit
•
75.30 mm (2.96 in.)
•
44.60 mm (1.76 in.)
Toner cartridge
•
39.30 mm (1.55 in.)
•
28.30 mm (1.11 in.)
Transfer roller
•
44 mm (1.73 in.)
Fuser
•
78.1 mm (3.07 in.)
•
75.4 mm (2.97 in.)
Does the distance between the repeating defects match any of the
measurements?
Yes No
Contact customer The problem is
support. solved.
Yes No
Go to step 2. Take note of the
distance, and then
contact
support.
136
to
customer