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The contrast of the touch panel can be adjusted as below.

ETTINGS

 

DISPLAY

CONTRAST

KEY OPERATOR

PROGRAMS

TTINGS

ONTRAST

LIGHTER

DARKER

HTER

DARKER

Touch panel contrast adjustment

Specifications

AR-280

AR-285

AR-335

Type

Desktop

Copy system

Dry, electrostatic transfer system

Originals

Sheets, bound documents

Original feed system

Single pass feeder

Reversing automatic document

(SPF)

feeder (RADF)

Original sizes

Max. A3 (11" x 17")

Copy sizes

Max. A3 (11" x 17"), min. A6 (5-1/2" x 8-1/2")
Image loss:

Max. 5 mm (13/64") (both leading and trailing edges)
Max. 5 mm (13/64") (along all other edges in total)

For paper weight, see page 4-2.

Copying speed

28 copies/min. (A4 (8-1/2" x 11"))

33 copies/min.

(at 100% copy ratio)

(A4 (8-1/2" x 11"))

20 copies/min. (A4R (8-1/2" x 11"R))

24 copies/min.
(A4R (8-1/2" x 11"R))

17 copies/min. (B4 (8-1/2" x 14"))

21 copies/min.
(B4 (8-1/2" x 14"))

14 copies/min. (A3 (11" x 17"))

17 copies/min.
(A3 (11" x 17"))

Continuous copy

Max. 999 copies; subtractive counter

First-copy time

Approx. 5.2  sec.

Warm-up time

Approx. 65 sec.

Copy ratio

Variable: 25 to 800% in 1% increments, total 776 steps
(can be set in the horizontal and vertical directions independently)
Fixed presets: 25%, 50%, 70%, 81%, 86%, 100%, 115%, 122%,
141%, 200%, 400%, 800% (25%, 50%, 64%, 77%, 95%, 100%,
121%, 129%, 141%, 200%, 400%, 800%)

Exposure system

Document glass:

Moving optical source
(stationary platen) with automatic
exposure function

SPF: Moving original

RADF: Same as above

Copy paper feed

Two paper trays with automatic paper feed (500 sheets each);
one bypass tray with 50-sheet automatic feed capability

Fusing system

Heat rollers

Developer system

Magnetic brush development

Light source

Xenon lamp

Resolution

Scan:

400 dpi

Output: 600 dpi

Gradation

Scan:

256 levels

Output: 2 levels (normal copying)

256 levels (Hi-Fi copying)

Required power supply

Local voltage 

±

10% (For this copier’s power supply requirements,

see the name plate located on the left hand side at the rear corner of
the copier.)

Specifications

Paper type

Ordinary paper only

Number of copies

1 (trayless system)

Copy paper size

A5, A4, A4R, B4, A3 (8-1/2" x 11", 8-1/2" x 11"R, 8-1/2" x 14", 11" x 17")
In some regions, 216 mm x 330 mm (8-1/2" x 13") size paper can be
used in place of B4 (8-1/2" x 14").

Copy paper weight

56 to 105 

g

/m

2 

(15 lbs. to 28 lbs.)

Specifications are subject to change for improvement without notice.

AR-280

AR-285

AR-335

Type

Single pass feeder

Reversing automatic document feeder

(SPF)

(RADF)

Acceptable originals

50 to 128 

g

/m

2

Single-sided originals: 50 to 128 

g

/m

2

Weight:

(14 to 34 lbs.)

(14 to 34 lbs.)

Two-sided originals:

50 to 128 

g

/m

2

(14 to 34 lbs.)

for A5 and A4 (5-1/2" x  8-1/2" and
8-1/2" x 11") originals.
50 to 110 

g

/m

2

 (14 to 29 lbs.) for B4

and A3 (8-1/2" x 14" and 11" x 17")
originals.

Size:

A5 to A3 (5-1/2" x 8-1/2" to 11" x 17")

Capacity:

Up to 50 sheets for A5 and A4 (5-1/2" x
8-1/2" and  8-1/2" x 11") originals provided
the total aggregate thickness does not
exceed 6.5 mm or 1/4"  (50 to 80 

g

/m

2

(14 to 20 lbs.)) or 5 mm or 3/16" (80 to
128 

g

/m

2

 (21 to 34 lbs.))

Up to 30 sheets for B4 and A3 (8-1/2" x 14"
and 11" x 17") originals

Up to 30 sheets for A5 and
A4 (5-1/2" x 8-1/2" and
8-1/2" x 11") originals
provided the total aggregate
thickness does not exceed
4.7 mm or 3/16"
Up to 15 sheets for B4 and
A3 (8-1/2" x 14" and
11" x 17") originals

AR-280

AR-285

AR-335

Power consumption

Max. 1.45 kW

Overall dimensions

1292 mm (W) x 695 mm (D) (50-7/8" (W) x 27-3/8" (D))

Weight

Approx. 89 k

g

 (197 lbs.)

Approx. 101 k

g

 (223 lbs.)

Copier dimensions

600 mm (W) x

600 mm (W) x 695 mm (D) x 750 mm (H)

695 mm (D) x 735 mm (H)

(23-5/8" (W) x 27-3/8" (D) x 29-17/32" (H))

(23-5/8" (W) x 27-3/8" (D)
x 28-15/16" (H))

Operating conditions

Temperature: 15

°

C to 30

°

C (59

°

F to 86

°

F)

Humidity:

20% to 85%

Optional equipment

Finisher (AR-FN1)
Large capacity tray (AR-LC1)
Stand/500-sheet paper drawer (AR-DE1)
500-sheet paper drawer (AR-CS1)
Exit tray (AR-TE1)