Sharp AL-840-2 - Manual (Page 127)

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SPECIFICATIONS
First-copy time may differ depending on operating conditions, such as power-supply voltage and room
temperature. The values for copy speed are rounded to the nearest whole number.
As a part of our policy of continuous improvement, SHARP reserves the right to make design and
specification changes for product improvement without prior notice. The performance specification
figures indicated are nominal values of production units. There may be some deviation from these values
in individual units.
Type Digital copying machine, desk-top type
Copy system Dry, electrostatic transfer
Originals Sheets, bound documents
Original size Max. A4
Copy sizes A6 to A4
(Feed copy paper lengthwise only.)
Image loss: Max. 5 mm (leading and trailing edges)
Max. 3 mm (either of the other edges)
Copy speed 8 copies/min.
Continuous copying Max. 50 copies; subtractive counter
First-copy time 12.5 sec. (normal copying mode)
Copy ratio Variable: 50% to 200% in 1% increments (total 151 steps)
Fixed: 50%, 70%, 86%, 100%, 141%, 200%
Exposure system Moving optical source, slit exposure (stationary platen) with automatic expo-
sure
Copy paper feed One paper tray with automatic feed (250 sheets)
Fusing system Heated pressure roller method
Development system Mono component electrostatic roller method
Light source Fluorescent lamps
Resolution Scan: 400 dpi, Output: 600 dpi
Gradation Scan: 256 levels, Output: 2 levels
Power supply Local voltage ±10% (For this copiers power supply requirements, see the
name plate located on the back of the unit.)
Power consumption 600 W
Overall dimensions 460 mm (W) x 750 mm (D)
Weight Approx. 11 kg, TD and drum cartridges included
Copier dimensions 460 mm (W) x 425 mm (D) x 229 mm (H)
Operating conditions Temperature: 10°C to 35°C
Humidity: 20% to 80% (Max. 60% at 35°C)
Noise level Sound Power Level L
WA
(1B=10dB)
Copying: 6.7 [B (A)], Standby: Background noise level
Sound Pressure Level L
PA
(bystander positions)
Copying: 49 [dB (A)], Standby: Background noise level
Noise emission measurement in accordance with ISO 7779.