Lexmark CS720 User Manual

Action Yes No
Step 2
Change the paper size or adjust the size setting in the tray.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Check the duplex rollers for damage.
Are the rollers free of damage?
Go to step 5. Go to step 4.
Step 4
Replace the duplex.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
a Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Sensor tests
b Find the sensor (Duplex path 2).
Does the sensor status change while toggling the sensor?
Go to step 8. Go to step 6.
Step 6
Check the sensor cable for proper connection, and then reseat if
necessary.
Does the problem remain?
Go to step 7. The problem is
solved.
Step 7
Check the sensor for damage, and replace if necessary.
Does the problem remain?
Go to step 8. The problem is
solved.
Step 8
Perform a print job.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Sensor (duplex path 2) static jam service check
Action Yes No
Step 1
a From the home screen, touch Settings > Device > Preferences.
b Check if the paper size matches the size set on the tray guides.
Does the paper size match the size set on the tray?
Go to step 3. Go to step 2.
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Diagnostic information
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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