Lexmark CS720 Series User Manual

Action Yes No
Step 2
a Load the specified tray or feeder with the recommended paper
type.
b Resend the print job.
Do horizontal white lines still appear on prints?
Go to step 3. The problem is
solved.
Step 3
a Remove, and then reinstall the imaging unit or imaging kit.
Warning—Potential Damage: Do not expose the imaging unit
or imaging kit to direct light for more than 10 minutes.
Extended exposure to light can cause print quality problems.
Warning—Potential Damage: To avoid damage, do not touch
the underside of the imaging unit or imaging kit.
b Resend the print job.
Do horizontal white lines still appear on prints?
Contact
customer
support.
The problem is
solved.
Incorrect margins
ABCD
ABCD
ABCD
Action Yes No
Step 1
a Squeeze and slide the paper guides to the correct position for
the size of the paper you are loading.
b Resend the print job.
Are the margins correct?
The problem is
solved.
Go to step 2.
Step 2
a From the Paper menu on the control panel, check if the printer
is detecting the correct paper size.
b Resend the print job.
Are the margins correct?
The problem is
solved.
Go to step 3.
Troubleshooting 81

Lexmark CS720 Series Specifications

General

Print Technology	Color Laser
Print Resolution	Up to 1200 x 1200 dpi
Duplex Printing	Standard
Processor Speed	1.2 GHz
Print Speed	Up to 38 ppm
Memory	1 GB
Paper Input Capacity	650 sheets (standard)
Connectivity	USB, Gigabit Ethernet
Mobile Printing	AirPrint, Mopria, Lexmark Mobile Print
Operating Systems Supported	Windows, Mac, Linux
Dimensions	442 x 407 x 476 mm
Weight	30.9 kg
Recommended Monthly Page Volume	Up to 15, 000 pages