Lexmark MX721ADHE

User's Guide PDF - Page 220

For MX721ADHE.

PDF File Manual, 315 pages, Read Online | Download pdf file

MX721ADHE photo
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Action Yes No
Step 1
a Check if the printer is using a genuine and supported Lexmark
toner cartridge.
Note: If the cartridge is not supported, then install a
supported one.
b Print the document.
Is the printer printing blank or white pages?
Go to step 2. The problem is
solved.
Step 2
a Remove any packing material that is left on the imaging unit.
1 Remove the toner cartridge, and then remove the imaging
unit.
Warning—Potential Damage: Do not expose the imaging
unit to direct light for more than 10 minutes. Extended
exposure to light may cause print quality problems.
Warning—Potential Damage: Do not touch the
photoconductor drum under the imaging unit. Doing so
may aect the quality of future print jobs.
2 Check the imaging unit for signs of damage.
Note: Make sure that the photoconductor drum contact is
not bent or out of place.
3 Firmly shake the imaging unit to redistribute the toner.
4 Insert the imaging unit, and then insert the toner cartridge.
b Print the document.
Is the printer printing blank or white pages?
Go to step 3. The problem is
solved.
Step 3
Check the transfer roller for proper installation.
Is the transfer roller installed properly?
Go to step 5. Go to step 4.
Step 4
a Remove, and then insert the transfer roller.
b Print the document.
Is the printer printing blank or white pages?
Go to step 5. The problem is
solved.
Step 5
a Replace the imaging unit.
b Print the document.
Is the printer printing blank or white pages?
Contact
customer
support.
The problem is
solved.
Troubleshooting 220
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