Lexmark CS720 User Manual

Action Yes No
Step 9
Replace the printhead. See
“Printhead removal” on page 361.
Does the problem remain?
Go to step 10. The problem is
solved.
Step 10
Replace the controller board. See
“Controller board removal” on
page 357.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Dark print check
Action Yes No
Step 1
a From the home screen, touch Settings > Print > Quality.
b Check the Toner darkness setting value.
Is the darkness setting too high?
Go to step 2. Go to step 3.
Step 2
Adjust the darkness setting to the proper value.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Reseat the imaging kit, and then perform a print job.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
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 page showing the dark prints?
Go to step 5. Go to step 6.
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Diagnostic information
52

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