Lexmark X543DN User Manual page 161

Lexmark x543dn: user guide
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942.02
The yellow toner cartridge needs maintenance. Call for service.
943.02
The black toner cartridge needs maintenance. Call for service.
900–999 Service <message>
1
Turn the printer off.
2
Unplug the power cord from the wall outlet.
3
Check all cable connections.
4
Connect the power cord to a properly grounded outlet.
5
Turn the printer back on.
If the service message appears again, contact Customer Support, and report the message.
Understanding printer messages
161

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