Understanding The Printer Messages; Cartridge Low [88.Xy]; Cartridge Nearly Low [88.Xy]; Cartridge Very Low [88.Xy] - Lexmark MS911 Service Manual

Action
Step 4
Replace the sensor. See "Sensor (3000-sheet tray feed) removal" on
page 399.
Does the problem remain?
Step 5
a
Reseat the cable on all of the sensors.
b
Reseat the cable CN5 on the controller board.
c
If necessary, reseat all the junction connectors on the cables.
d
Make sure that the cables do not block the path of moving parts.
e
Check the cables for damage, and replace if necessary.
Does the problem remain?
Step 6
a
Reseat the cable on all of the motors and on the top door switch.
b
Reseat the cables CN3 and CN4 on the controller board.
c
If necessary, reseat all the junction connectors on the cables.
d
Make sure that the cables are not in the path of moving parts.
e
Check the cables for damage, and replace if necessary.
Does the problem remain?

Understanding the printer messages

Cartridge low [88.xy]

You may need to order a replacement toner cartridge. If necessary, touch Continue on the printer control panel to
clear the message and continue printing.

Cartridge nearly low [88.xy]

If necessary, touch Continue on the printer control panel to clear the message and continue printing.

Cartridge very low [88.xy]

You may need to replace the toner cartridge very soon.
If necessary, touch Continue on the control panel to clear the message and continue printing.
Yes
Go to step 5.
Go to step 6.
Contact the next level
of support.
Diagnostic information
99
4021
No
The problem is solved.
The problem is solved.
The problem is solved.