Lexmark CS720 User Manual

Motor (fuser) service check
Action Yes No
Step 1
Reset the printer.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
Check the fuser for damage or life expiration, and replace if
necessary. See
“Fuser removal” on page 333.
Does the problem remain?
Go to step 3. Go to step 4.
Step 3
Check the motor cable on the JFUSED1 connector on the controller
board for proper connection.
Is the cable properly connected at both ends?
Go to step 5. Go to step 4.
Step 4
Reconnect the cable.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Check the cable for damage, and replace if necessary.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Remove the fuser, and then manually turn the fuser drive gear.
Does the gear freely turn?
Go to step 8. Go to step 7.
Step 7
Replace the fuser drive gear.
Does the problem remain?
Go to step 8. The problem is
solved.
Step 8
Replace the motor (fuser). See
“Motor (fuser) removal” on
page 318.
Does the problem remain?
Go to step 9. The problem is
solved.
Step 9
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.
5028
Diagnostic information
183

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