General information 1-1
4512-630
1. General information
The Lexmark™ E450dn is a monochrome laser printer designed for single users or small workgroups.
This book contains information on E450dn. For more information on E250d and E250dn, see the
4512-220, -230 service manual.
For information on E350d and 352dn, see the 4512-420, 430 service
manual.
minute on letter-size media (29 ppm on A4, 25ppm on legal).
Maintenance approach
The diagnostic information in this manual leads to the correct field replaceable unit (FRU) or part. Use the error
code charts, symptom index, and service checks to determine the symptom and repair the failure. See
“Diagnostics information” on page 2-1 for more information. See “Repair information” on page 4-1 to help
identify parts. After completing the repair, perform tests as needed to verify the repair.
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