Lexmark CS720 User Manual

Action Yes No
Step 14
a Replace the motor. See “Motor (fuser) removal” on page
318.
b Perform a print job.
Does the problem remain?
Go to step 15. The problem is
solved.
Step 15
a Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests > K
developer‑transfer
b Tou ch Start.
Does the motor run?
Contact the next
level of support.
Go to step 16.
Step 16
Check the cable on the JCARTK connector on the controller board
for proper connection and damage, and replace if necessary.
Does the problem remain?
Go to step 17. The problem is
solved.
Step 17
a Replace the motor (K cartridge). See “Motor (EP drive)
removal” on page 296.
b Perform a print job.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Sensor (fuser exit): Paper failed to clear 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.
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 redrive paper path for paper jams and fragments.
Is the paper path free of jams and fragments?
Go to step 5. Go to step 4.
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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