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Appendix B: Maintenance Requirements
B-12
Colorwriter LSR 2000 Printer
Service Guide
Metrics
Usage model
•
Power on time = 480 hrs per month or about 24 hrs/day x 20
days
•
125 pages per day for 20 days per month
•
Duty Cycle: 125 pages/day at 12ppm takes 21 minutes or about
1/3 hour
Paper feed reliability
The following conditions, however, shall be satisfied:
•
Digital-recommended paper is used
•
Specified maintenance is done
•
The printer is used in Operating Environment Zone A (20-27.5
C, 40-70%RH)
Metric
Value
Unit
Comments
MTTI
0.5
hours
One person
MTTR
0.4
hours
Customer interface,
diagnostics, r &r
MTBF
19.1K
hours
or 26.2 months
MTBPR
39.8
months
Fuser pm
MTBC
5.0
years
Includes repairs, nmu and PM
NMU
40.0
%
MPBF
100K
pages
Full color; 200K
AMPV
2500
pages
Average print pages per month
Support Ratio
0.5
%
Life
150K
pages
Full color; 300K mono
Life
5
years
Problems occurrence ratio
Plain Paper
OHT
Paper jams
1/2,000 pages
1/200 pages
Multi-feed
1/1,000 feeds
1/100 feeds
Others (creases, dog-ears,
torn paper)
1/2,000 pages
1/200 pages