Reliability And Maintainability; Reliability - Epson AcuLaser C1900 Service Manual

EPSON AcuLaser C1900/AcuLaser C900

1.2.4 Reliability and Maintainability

1.2.4.1 Reliability

MPBF/MTBF
Main unit: 35,000 pages or more / 3,000 hours or more
NOTE: *1: Monthly operating hours: Over 300 hours (average)
Paper Feed Reliability *1
Table 1-14. Paper Feed Reliability
Paper jam rate 1/2000 sheets or less
Miss-feed 1/2000 sheets or less
*2
Multiple-sheet feed rate 1/500 sheets or less
Wrinkled paper 1/1000 sheets or less
Creased paper at the top edge
1/1000 sheets or less
*3
(for 1 c or more )
Note *1: Standard environment: 15 ~ 25
Defines the reliability of humidity-no adjusted paper of the plain paper (A4, Letter).
*2: Multiple-sheet feed rate does not include performance at the boundary between the
original paper and the replenished paper that occurs after replenishing paper.
*3: 1 C indicates 1 mm of crease at a corner.
Product Description
*1
Simplex printing Duplex printing
1/1000 sheets or less
-
-
1/500 sheets or less
1/500 sheets or less
°
C, 35 ~ 70%RH
Printing Start Position Accuracy
Main scanning
direction
reference
position (c)
Simplex
printing
Sub scanning
direction
reference
position (a)
Main scanning
direction
reference
position (c)
Duplex
printing
Sub scanning
direction
reference
position (a)
Skew
The table below shows specification values converted to dot-2 pattern reference.
Simplex
printing
Duplex
printing
Metric length
Simplex
printing
Duplex
printing
Basic Specifications
±
2.0mm
±
2.5mm
Printing Area
±
3.0mm
±
2.5mm
Table 1-15. Skew
Main scanning direction (|c-d|) 2.12 mm
Sub scanning direction (|a-b|) 1.56 mm
Main scanning direction (|c-d|) 3.19 mm
Sub scanning direction (|a-b|) 2.60 mm
Table 1-16. Skew
Main scanning direction (|c-d|) 195.58 mm
Sub scanning direction (|a-b|) 281.61 mm
Main scanning direction (|c-d|) 195.58 mm
Sub scanning direction (|a-b|) 281.61 mm
Revision B
A4
A4
32