Lexmark CS720 User Manual

Action Yes No
Step 4
Check the controller board pins for damage, and replace if
necessary. See
“Controller board removal” on page 357.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Make sure that the firmware version is the latest, and update if
necessary.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Unsupported internal option service check
Action Yes No
Step 1
If applicable, make sure that the option cards are supported.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
Check the controller board pins for damage, and replace if
necessary. See
“Controller board removal” on page 357.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Make sure that the firmware version installed is the latest, and
update if necessary.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Disabled port service check
Action Yes No
Step 1
a Make sure that the cables connected to ports are properly
installed.
b Check the cables for damage, and replace if necessary.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
Enter the Network/Ports menu and make sure that the applicable
port settings are enabled.
Does the problem remain?
Go to step 3. The problem is
solved.
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Diagnostic information
163

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