Lexmark CS720 User Manual

Action Yes No
Step 4
• 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?
Contact the next
level of support.
The problem is
solved.
Step 5
Measure the distance between the repeating marks.
Is the distance between the marks either 29.8 mm, 25.1 mm, or 94.2
mm?
Go to step 6. Go to step 7.
Step 6
• If the aected color is cyan, magenta, or yellow, then replace
the CMY imaging kit.
• If the aected color is black, then replace the black imaging kit.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Step 7
Measure the distance between the repeating marks.
Is the distance between the marks either 34.6 mm, 95 mm, or 110
mm?
Go to step 8. Go to step 9.
Step 8
Replace the fuser. See
“Fuser removal” on page 333.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Step 9
Measure the distance between the repeating marks.
Is the distance between the marks either 37.7 mm, 55 mm, or 78.5
mm?
Go to step 11. Go to step 10.
Step 10
Check the marks that appear on a multi‑page print job.
Do the marks appear on every other page?
Go to step 11. Contact the next
level of support.
Step 11
Replace the transfer module. See
“Transfer module removal” on
page 334.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
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Diagnostic information
56

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