Region
Numeric code
Invalid region
9
Note:
To find the region settings of the printer and toner cartridge, print the print quality test pages.
From the control panel, navigate to:
Settings
>
Troubleshooting
>
Print Quality Test Pages
.
Non
‑
Lexmark supply
The printer has detected a non
‑
Lexmark supply or part installed in the printer.
Your Lexmark printer is designed to function best with genuine Lexmark supplies and parts. Use of third-
party supplies or parts may affect the performance, reliability, or life of the printer and its imaging
components.
All life indicators are designed to function with Lexmark supplies and parts and may deliver unpredictable
results if third-party supplies or parts are used. Imaging component usage beyond the intended life may
damage your Lexmark printer or associated components.
Warning—Potential Damage:
Use of third-party supplies or parts can affect warranty coverage.
Damage caused by the use of third-party supplies or parts may not be covered by the warranty.
To accept any and all of these risks and to proceed with the use of non-genuine supplies or parts in your
printer, from the control panel, press and hold
X
and
#
simultaneously for 15 seconds.
If you do not want to accept these risks, then remove the third-party supply or part from your printer and
install a genuine Lexmark supply or part. For more information, see
“Using genuine Lexmark parts and
If the printer does not print after pressing and holding
X
and
#
simultaneously for 15 seconds, then reset
the supply usage counter.
1
From the control panel, navigate to:
Settings
>
Device
>
Maintenance
>
Configuration Menu
>
Supply Usage And Counters
2
Select the part or supply that you want to reset, and then select
Start
.
3
Read the warning message, and then select
Continue
.
4
Press and hold
X
and
#
simultaneously for 15 seconds to clear the message.
Note:
If you are unable to reset the supply usage counters, then return the item to the place of
purchase.
Troubleshooting
77
Summary of Contents for CS720 Series
Page 41: ...2 Remove the waste toner bottle 3 Remove the imaging kit Maintaining the printer 41...
Page 43: ...8 Insert the black toner cartridge 9 Insert the imaging kit Maintaining the printer 43...
Page 45: ...2 Remove the waste toner bottle 3 Remove the imaging kit Maintaining the printer 45...
Page 47: ...8 Insert the toner cartridges 9 Insert the new imaging kit Maintaining the printer 47...
Page 53: ...3 Remove the pick roller 4 Unpack the new pick roller Maintaining the printer 53...
Page 110: ...5 ISP extended cable 4 Install the ISP into its housing Upgrading and migrating 110...
Page 111: ...5 Attach the housing to the controller board access cover Upgrading and migrating 111...
Page 117: ...5 Open door B 6 Open door C Upgrading and migrating 117...
