Lexmark CS720 User Manual

Action Yes No
Step 3
Check the power cord for damage, and replace if necessary.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
Check the cable on the LVPS and on the JLVPS connector on the
controller board for proper connection.
Is the cable properly connected at both ends?
Go to step 6. Go to step 5.
Step 5
Reconnect the cable.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Check the cable for continuity.
Does the cable have continuity?
Go to step 8. Go to step 7.
Step 7
Replace the cable.
Does the problem remain?
Go to step 8. The problem is
solved.
Step 8
Measure the values of pin 4, 6, 8, and 11 to 26 of the JLVPS
connector on the controller board. See
“Controller board
connectors” on page 390.
Are the values approximately correct?
Go to step 10. Go to step 9.
Step 9
Replace the LVPS. See
“LVPS removal” on page 305.
Does the problem remain?
Go to step 10. The problem is
solved.
Step 10
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
227

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