Lexmark CS720 User Manual

Motor (pick and lift) service check
Action Yes No
Step 1
Check the pick roller for damage and proper installation, and
replace if necessary.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
Check the cable on the JMTR1 connector on the controller board
for proper connection and damage, and replace if necessary.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Reset the printer.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
Replace the media feeder. See
“Media feeder removal” on
page 373.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
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.
LVPS fuser fan service check
Action Yes No
Step 1
Check the fuser fan area for obstructions.
Is the fan area free from obstructions?
Go to step 3. Go to step 2.
Step 2
Remove the obstructions.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Check the cable on the JFAN1 connector on the controller board
for proper connection.
Is the cable properly connected?
Go to step 5. Go to step 4.
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Diagnostic information
199

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