Lexmark CS720 User Manual

Action Yes No
Step 8
Remove the printhead, and then clean the printhead lenses. See
“Printhead removal” on page 361.
Does the problem remain?
Go to step 9. The problem is
solved.
Step 9
Replace the printhead. See
“Printhead removal” on page 361.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Blank or white pages check
Action Yes No
Step 1
Make sure all the packing materials on the imaging unit are
removed.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
a Enter the Diagnostics menu, and then navigate to:
Advanced Print Quality Samples > Advanced Print Quality
Samples
b Check the test page.
Is only one color missing?
Go to step 3. Go to step 5.
Step 3
Check the contacts between the imaging unit and developer unit
of the aected color.
Are the contacts clean?
Go to step 5. Go to step 4.
Step 4
Clean the contacts.
Does the problem remain?
Go to step 5. The problem is
solved.
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Diagnostic information
37

Lexmark CS720 Specifications

General

Type	Original
Compatibility	- CS720
Product color	Black
Printing colors	Yellow
Country of origin	China
Quantity per pack	1 pc(s)
Brand compatibility	Lexmark
Color toner page yield	7000 pages
Cartridge return & recycling	Yes
Print technology	Laser printing
Harmonized System (HS) code	84439990

Weight and Dimensions

Package depth	160 mm
Package width	190 mm
Package height	75 mm
Package weight	380 g