Lexmark CS720 User Manual

Unsupported internal option service check........................................................................................................163
Disabled port service check....................................................................................................................................163
Excess options service check .................................................................................................................................164
Incompatible hardware option service check.....................................................................................................165
Hard disk failure service check ..............................................................................................................................165
Printer hardware errors..................................................................................................................................166
1yy errors.......................................................................................................................................................................166
6yy errors......................................................................................................................................................................201
9yy errors.....................................................................................................................................................................207
Symptoms......................................................................................................................................................... 223
Base printer symptoms............................................................................................................................................223
Control panel service check...................................................................................................................................223
Interlock switch service check...............................................................................................................................224
Sensor (narrow media) and sensor (fuser buckle) service check.................................................................226
Dead machine service check.................................................................................................................................226
Mobile solutions module NFC service check ....................................................................................................228
Network service check ............................................................................................................................................229
Toner meter cycle (TMC) card service check.....................................................................................................232
USB service check ....................................................................................................................................................233
Control panel USB cable service check..............................................................................................................233
Toner patch sensing service check ......................................................................................................................234
Auto alignment service check................................................................................................................................236
Service menus........................................................................................... 241
Understanding the printer control panel................................................................................................... 241
Using the control panel ............................................................................................................................................241
Understanding the status of the power button and indicator light..............................................................242
Using the home screen............................................................................................................................................242
Menus list.....................................................................................................................................................................243
Diagnostics menu........................................................................................................................................... 244
Entering the Diagnostics menu .............................................................................................................................244
Event Log.....................................................................................................................................................................244
Reports.........................................................................................................................................................................245
Advanced Print Quality Samples...........................................................................................................................245
Input tray quick print.................................................................................................................................................245
Printer Setup...............................................................................................................................................................246
Printer diagnostics and adjustments....................................................................................................................248
Additional input tray diagnostics.......................................................................................................................... 250
Service Engineer menu.................................................................................................................................250
Entering Invalid engine mode............................................................................................................................... 250
Entering the Service Engineer (SE) menu.......................................................................................................... 250
General SE ...................................................................................................................................................................251
Network SE ..................................................................................................................................................................251
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Table of contents
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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