Lexmark Pro4000c User Manual page 136

Troubleshooting
Duplex Unit Missing
Try one or more of the following:
•
Make sure the duplex unit is properly installed at the back of the printer to clear the message.
•
Cancel the current job.
Ink Cartridge Access Door Open
The ink cartridge access door is either open or detached.
•
If the ink cartridge access door is open, then close it to clear the message.
• If the ink cartridge access door is detached, then reattach it to clear the message.
1
Insert the door hinges into place until they click. Make sure the door is inserted at a 90-degree position.
2
Close the ink cartridge access door to clear the message.
S D / M S
/ x D / M
M C
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