Lexmark CS720 User Manual

Action Yes No
Step 13
Replace the cable.
Does the problem remain?
Go to step 14. The problem is
solved.
Step 14
Replace the printhead. See
“Printhead removal” on page 361.
Does the problem remain?
Go to step 15. The problem is
solved.
Step 15
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.
Gapping or half color page 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 Reseat the cyan, magenta, and yellow developer units in the
imaging kit.
b Reseat the imaging kit.
c Enter the Diagnostics menu, and then navigate to:
Advanced Print Quality Samples > Advanced Print Quality
Samples
d Check the test page.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Check the developer hold down arms and springs for damage, and
replace if necessary. See
“Developer hold down removal” on
page 363.
Does the problem remain?
Go to step 4. The problem is
solved.
5028
Diagnostic information
39

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