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Service Guide ML520/521
Chapter 1 Product Specifications
1.11 RELIABILITY
1.11.01 Mean Time Before Failure (MTBF)
Approximately 6,000 hours: 25% duty cycle / 35% page density
1.11.02 Mean Time To Repair (MTTR)
Approximately 15 minutes to major
1.11.03 Printer Life
Approximately 16,000 hours of
1.11.04 Printhead Life
Average 200 million characters in 10 cpi utility mode @ normal 25% duty, 35% page density
1.11.05 Ribbon Life
Approximately 4 million characters
1.11.06 Warranty (Limited)
One year, parts and labor
1.11.07 Service
Authorized OKIDATA Service Centers
Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)