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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
162