Lexmark CS720 User Manual

Actions Yes No
Step 19
If there is an attached antenna, check it for damage, and replace
if necessary.
Does the problem remain?
Go to step 20. The problem is
solved.
Step 20
Make sure that the antenna is properly connected to the wireless
card.
Does the problem remain?
Go to step 21. The problem is
solved.
Step 21
Replace the wireless card.
Does the problem remain?
Go to step 22. The problem is
solved.
Step 22
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.
Toner meter cycle (TMC) card service check
Actions Yes No
Step 1
a Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Sensor tests
b Find the sensor (Toner meter).
Does the sensor status change while toggling the sensor?
Go to step 2. Go to step 3.
Step 2
Replace the toner cartridge.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Replace the TMC card. See
“TMC card removal” on page 315.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
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Diagnostic information
232

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