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Specifications
Product Specifications
Item
Specifications
Copyboard
Stream reading, original fixed reading
Body
Desktop
Light source type
LED (white)
Photosensitive medium
OPC drum (30 mm dia)
Image reading method
CCD
Reproduction method
Indirect electrostatic method
Exposure method
Laser exposure system
Charging method
Roller charge
Development method
Dry single component projection developing
Transfer method
By transfer roller
Separation method
Curvature and static eliminator
Pickup method
Cassette: Retard separation method
Manual feed pickup tray: Pad separation method
Fixing method
On demand
Delivery method
Face down delivery (in-body delivery)
Reproduction ratio
25% to 400%
Drum cleaning method
By cleaning blade
Toner type
Magnetic negative charge toner
Toner replenish method
Toner cartridge
Toner level detection function
Yes
Image margin
Top margin: 4.0 +1.5mm/-1.0mm
Left margin: 2.5±1.5mm
Non-Image Width
Leading Edge Non-Image Width: 4.0 +1.5mm/-1.0mm
Left Non-Image Width: 2.5±1.5mm (2.5±2.0mm in ADF mode)
Warm-up time
30 sec. or less (*1)
When the room temperature is 20 degree C
*1: Until the copy button is displayed on the top menu from when the operation display becomes effective after turning the power supply ON.
Number of gradations
256 gradations
Reading resolution
600×600dpi
Writing resolution
1200×1200dpi
First print time
iR ADVANCE 4251: 3.7 sec or less
iR ADVANCE 4245/4035: 3.8 sec or less
iR ADVANCE 4225: 5.2 sec or less
Paper type (Cassette)
plain paper 1 (60 g/m2 to 63 g/m2), plain paper 2 (64 g/m2 to 90 g/m2), recycled paper, color paper, pre-punched paper, heavy paper 1 (91 g/m2 to 105 g/m2), heavy paper 2 (106 g/m2 to 128 g/m2)
Paper type
(Manual feed pickup tray)
transparency (52 g/m2 to 59 g/m2),plain paper 1 (60 g/m2 to 63 g/m2), plain paper 2 (64 g/m2 to 90 g/m2), recycled paper, color paper, pre-punched paper, heavy paper 1 (91 g/m2 to 105 g/m2), heavy paper 2 (106 g/m2 to 128 g/m2), heavy paper 3 (129 g/m2 to 163 g/m2), heavy paper 4 (164 g/m2 to 220 g/m2), bond paper, labels, OHP, Envelopes (No.10 (COM10), ISO-B5, Monarch, ISO-C5, DL)
Paper size (Cassette 1)
A4, A4R, A5R, B4, B5, B5R, LTR, LTTR, LGL, STMTR, 8K, 16K, 16KR, EXEC
Paper size (Cassette 2)
Standard size (A3, B4, A4, A4R, B5, B5R, A5R, 8K, 16K,16KR, 279mmX432mm(11"X17"), LGL, LTR, LTRR, STMTR, EXEC, 304mmX457mm(12"X18"))
Envelopes* (No.10 (COM10), ISO-B5, Monarch, ISO-C5, DL)
* The optional Envelope Feeder Attachment-D1 is required.
Paper size
(Manual feed pickup tray)
Cassette feedable size
Custom paper size (99 mm x 148 mm to 297 mm x 431.8 mm)
Pickup capacity
Cassette: 550 sheets (80g/m2), 680 sheets (64g/m2)
Manual feed pickup tray: 80 sheets (80g/m2)
Duplex method
Through path duplex
Memory capacity
For Main Controller 1: 1GB (standard)
For Main Controller 2: MAX 768MB
256MB(standard),512MB(option)
HDD capacity
Standard: 160GB, Maximum: 1TB
Environment temperature range
Refer to "Installation" in Chapter
Environment humidity range
Environment atmosphere range
610 to 1013 hpa (0.6 to 1.0 atmospheric pressure)
Noise (At the time of printing)
iR ADVANCE 4251: 76.85 dB or less
iR ADVANCE 4245: 74.75 dB or less
iR ADVANCE 4235: 71.25 dB or less
iR ADVANCE 4225: 67.75 dB or less
Rated power supply
AC120V/10.4A: (iR ADVANCE 4251)
AC230V/5.6A: (iR ADVANCE 4251)
*All the optional power supplies are supplied by the main body
Power consumption
Maximum power consumption
120-127V: 1.5kW or less (iR ADVANCE 4251)
220-240V: 1.5kW or less (iR ADVANCE 4251)
At the time of printing
-
At the time of sleep (Deep Sleep)
1.0 W or less (In environmental heater switch OFF)
At the time of standby
-
Dimension (WxDxH)
565mm × 708mm × 769mm (with the platen cover)
565mm × 708mm × 902mm (with the DADF)
Weight
Max (with the DADF): Approx. 78 kg
Min (without the reader for EU): Approx 62 kg