Diagnostic Information; Start - Lexmark 10G1664 - T 634dtnf B/W Laser Printer Service Manual

2. Diagnostic information

Start

CAUTION: Remove the power cord from the printer or wall outlet before you connect or
disconnect any cable or electronic board or assembly for personal safety and to prevent
damage to the printer. Use the handholds on the side of the printer. Make sure your
fingers are not under the printer when you lift or set the printer down.
Use the service error code, user status message, user error message, symptom table, service
checks, and diagnostic aids in this chapter to determine the corrective action necessary to repair a
malfunctioning printer.
Service error codes are indicated by a three-digit error code. If a service error code displays, go to
"Service error codes" on page
User status messages provide the user with information on the current status of the printer. Ready
displays on the first line of the display unless Power Saver is invoked, and then Power Saver displays.
If a user status message is displayed, go to
User error messages are indicated by a two or three-digit error code that provides the user with
information that explains a problem with a print cartridge, paper jam, option, port, and so on. If a user
error message displays, go to
If your machine completes the
you have a symptom, go to
appropriate action.
If a service error code appears while you are working on the machine, go to
on page 2-2 and take the indicated action for that error.
2-2.
"User status displays" on page
"User attendance messages" on page
"Power-On Self Test (POST)" on page 2-34
"Symptom tables" on page
2-14.
2-19.
without an error, and
2-35. Locate your symptom and take the
"Service error codes"
Diagnostic information
4060-xxx
2-1