03/02 Contents
WorkCentre Pro 423/428 6-5 CHAPTER 6 GENERAL
6.1.3 Copy Features
1. Warm up time
Within 30 sec (Requirements: Temperature: 20°C, Humidity: 60%, Standard rate
input voltage)
2. First copy output time (FCOT)
Within 4.5 sec (Requirements: Tray1, A4LEF)
3. Continuous copying speed at 100% magnification (Unit: sheet/min)
Paper feed tray
Tray 1 Tray 2 - Tray 4 MSI
Paper size, Direction,
and Tray
Copy
Mode
Normal
Thick
paper
Normal
Thick
paper
Simplex 23/28 23/28 23/28 23/28 19/19A4 LEF
Duplex 22.5/22.5 - 22.5/22.5 - -
Simplex 23/28 23/28 23/28 23/28 19/198.5”x11” LEF
Duplex 22.5/22.5 - 22.5/22.5 - -
Simplex - - 17/21.5 *1 14/14 14/14A4 SEF
8.5”x11” SEF
Duplex - - 14/14 - -
Simplex - - 17/21.5 *1 14/14 14/14B5 SEF
Duplex - - 14/14 - -
Simplex - - 12/15.5 12/15.5 12/12B4 SEF
Duplex - - 12/12 - -
Simplex - - 12/15.5 12/15.5 12/128.5”x13” SEF
8.5”x14” SEF
Duplex - - 12/12 - -
Simplex - - 12/15.5 12/15.5 12/12A3 SEF
11”x17” SEF
8-kai
Duplex - - 11/11 - -
Simplex 23/28 18/22 23/28 18/22 19/19B5 LEF
Duplex 22.5/22.5 - 22.5/22.5 - -
Simplex 23/28 18/22 - - 19/19A5 LEF
Duplex 22.5/22.5 - - - -
Simplex - 18/22 - - 19/19Postal card LEF
Duplex - - - - -
Simplex - 18/22 - - 19/19Envelope (Long 3)
Duplex - - - - -
*1 For DC28, copy speed is lowered to 17sheet/min from the 21
st
sheet.
How to use the Copy feature Table
a) For any paper feed entry:
• The upper row shows values for Simplex operation
• The lower row shows values for Duplex operation
b) For any Tray column:
• The left hand-figures are the values for WCP 423.
• The right-hand figures are values for the WCP 428.
4. Magnification
(1) Preset magnification (6 types)
70%, 81%, 86%, 115%, 122%, 141% (can be adjusted by changing system data)
(2) Variable magnification
25 to 400%(1% increment)
(3) Magnification error margin (on system operation)
Magnification
(%)
Platen
(system)
DADF
(system)
IOT IIT DADF+IIT
*70.7 Within ±1.3% Within ±1.7% - Within ±1.1% Within ±1.6%
*81.6 Within ±1.3% Within ±1.7% - Within ±1.1% Within ±1.6%
*86.6 Within ±1.3% Within ±1.7% - Within ±1.1% Within ±1.6%
100 Within ±0.8% Within ±1.2% Within ±0.6% Within ±0.5% Within ±1.0%
*141.4 Within ±1.8% Within ±2.5% - Within ±1.7% Within ±2.4%
25 to 70 Within ±1.7% Within ±2.1% - Within ±1.6% Within ±2.0%
71 to 99 Within ±1.3% Within ±1.7% - Within ±1.1% Within ±1.6%
101 to 122 Within ±1.6% Within ±2.0% - Within ±1.5% Within ±1.9%
123 to 150 Within ±1.8% Within ±2.5% - Within ±1.8% Within ±2.4%
151 to 400 Within ±3.4% Within ±7.5% - Within ±3.3% Within ±7.4%
At 100% magnification, an error can be adjusted to less than 0.1% in the fast scan line direction
or less than 0.2% in the slow scan line direction. (For DADF, when docked with IIT)
* Actual set value when the preset (fixed) magnification is set.
(4) Magnification switchover
Within 0.3 sec.
5. Density adjustment
(1) Manual density adjustment: 5 levels
(2) Auto density adjustment AE
Disabled at Text/Photo and Photo modes
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