Epson ACULASER COLOR 1000, Service Manual

Page: 27 / 230

EPSON AcuLaser C2000 / AcuLaser C1000 Revision E
Product Descriptions Controller Unit Specifications 27
Standard/Optional Cassette
1.2.6 Reliability, Durability, Serviceability
MPBF
80,000 pages (200,000 images) min.*
1
MTBF
3,000 hours min.*
2
Paper Feeding Reliability
Printing Start Position Accuracy / Paper Skew
Optional feeder
Mounted/
unmounted
Communication
check with the main
unit
It is not guaranteed to be
unmounted/mounted while
power is on.
Detection is performed
only at powering on.
Duplex unit
Mounted/
unmounted
Detects the short pin.
Table 1-15. Sensor Specifications - Standard/Optional Cassette
Detected
Conditions
Detection Method Comments
Mounted/
unmounted Returns GND from AIDC sensor
for the detection.
Paper size
Actuator (operates together with
the end guide)
A4 or LT
Paper near end Photo sensor
50 +/- 30 sheets (with 80g/m 2
paper)
Paper out Actuator
*1:In color mode, 4 images (YMCK) are printed per sheet. MPBF is cal-
culated assuming a B/W: color job ratio of 1:1.
e.g. : 200,000 = 80,000/2 + (80,000/2 x 4)
Table 1-14. Sensor Specifications
Standard Tray / Optional Feeder / Duplex Unit (continued)
Unit
Detected
Conditions
Detection Method Comments
*2: PV (page volume) per month : 8,000pages(average)
calculated assuming the Operating time per month as 300 hours
(average).
Table 1-16. Paper Feeding Reliability *1
*1: Using recommended paper in standard environment (15 to 25°C , 35 to
70%RH)
Single-sided printing Duplex printing
Paper jam rate 1/2000 sheets (max.) 1/1000 sheets (max.)
Paper misfeed 1/2000 sheets (max.) ---
Multiple sheet feed rate *2
*2: The values for multiple-sheet feed rate do not include effects at the boundary
between original paper and replenished paper, occurring after paper is replen-
ished.
1/500 sheets (max.) ---
Paper creasing 1/1000 sheets (max.) 1/500 sheets (max.)
Leading edge folded (for 1C
or more)
*3
*3: 1C indicates 1mm corner fold.
1/1000 sheets (max.) 1/500 sheets (max.)
Table 1-17. Printing Start Position Accuracy/Paper Skew *1
Directions
Single-sided
printing
Duplex
printing
Print start position
accuracy
Main Scanning Direction (c) ±2.0 mm ±3.2 mm
Sub Scanning Direction (a) ±2.5mm ±2.0 mm