Lexmark CS720 User Manual

Image void process direction check
Action Yes No
Step 1
Load paper from a fresh package.
Note: Paper may absorb moisture due to high humidity. Store
paper in its original wrapper until it is ready to be used.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
Reseat all the developer units in the imaging kit, and then perform
a print job.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Check if the problem appears only on one side of the page.
Does the problem appear only on one side?
Go to step 4. Go to step 6.
Step 4
Check the developer hold downs for damage or loose springs, and
replace if necessary. See
“Developer hold down removal” on
page 363.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Check for missing colors.
Is only one color missing?
Go to step 8. Go to step 6.
Step 6
Check the printhead for dust or debris.
Is the printhead free of dust or debris?
Go to step 8. Go to step 7.
Step 7
Remove the dust or debris.
Does the problem remain?
Go to step 8. The problem is
solved.
Step 8
• If the
aected
color is cyan, magenta, or yellow, then replace
the developer unit of the
aected
color.
• If the aected color is black, then replace the imaging unit.
Does the problem remain?
Go to step 9. The problem is
solved.
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Diagnostic information
51

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