Chapter 10: Troubleshooting; Understanding Printer Messages; Online Technical Support; Checking An Unresponsive Printer - Lexmark T640 User Manual

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Troubleshooting

Understanding printer messages

The printer displays three types of messages: status messages, attendance messages, and service messages. Status
messages provide information about the current state of the printer. They require no action on your part. Attendance
messages alert you to printer problems that require your intervention. Service messages also alert you to problems that
require intervention. However the printer will stop printing and the errors are non-recoverable. It may be possible to power
the printer off and back on to temporarily recover from the service message error condition. For more information about
printer messages, see the Menus and Messages book on the publications CD.
If you receive the following message, see Ordering a print cartridge.
Message
42.xy Cartridge region mismatch
Note: x = the printer region, y = the cartridge
region

Online technical support

Technical support is available on our Lexmark Web site at www.lexmark.com.

Checking an unresponsive printer

If the printer is not responding, first make sure:
• The power cord is plugged into the printer and a properly grounded electrical outlet.
• The electrical outlet is not turned off by any switch or breaker.
• The printer is not plugged into any surge protectors, uninterrupted power supplies, or extension cords.
• Other electrical equipment plugged into the outlet is working.
• The printer is turned on.
• The printer cable is securely attached to the printer and the host computer, print server, option, or other network
device.
Once you have checked each of these possibilities, turn the printer off and back on. This often fixes the problem.
Action
Install the correct cartridge for the printer region.
Region codes are:
0 = Worldwide
1 = Americas
2 = EMEA
3 = Asia
9 = Undefined
Troubleshooting
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