Lexmark CS720 User Manual

Fuser service check
Action Yes No
Step 1
Check the fuser for proper installation.
Is the fuser properly installed?
Go to step 3. Go to step 2.
Step 2
Reinstall the fuser.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Check the LVPS cable on the LVPS and on the JFSNS connector
on the controller for proper connection.
Is the cable properly connected at both ends?
Go to step 5. Go to step 4.
Step 4
Reconnect the cable.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Check the cable for damage, and replace if necessary.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Check the fuser cable for proper connection and damage, and
replace if necessary.
Does the problem remain?
Go to step 7. The problem is
solved.
Step 7
Replace the fuser. See
“Fuser removal” on page 333.
Does the problem remain?
Go to step 8. The problem is
solved.
Step 8
Replace the LVPS. See
“LVPS removal” on page 305.
Does the problem remain?
Go to step 9. The problem is
solved.
Step 9
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.
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Diagnostic information
184

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