Lexmark CS720 Series User Manual

Vertical dark lines or streaks
ABCDE
ABCDE
ABCDE
Leading edge
Trailing edge
Action Yes No
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 vertical dark lines or streaks still appear on prints?
Contact
customer
support.
The problem is
solved.
Vertical white lines
Leading edge
Trailing edge
Action Yes No
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 may 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 vertical white lines still appear on prints?
Contact
customer
support.
The problem is
solved.
Troubleshooting 88

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