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Item
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Specifications
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Copyboard
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Stream reading, original fixed reading
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Body
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Desktop
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Light source type
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LED (white)
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Photosensitive medium
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OPC drum (30 mm dia)
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Image reading method
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CCD
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Reproduction method
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Indirect electrostatic method
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Exposure method
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Laser exposure system
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Charging method
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Roller charge
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Development method
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Dry single component projection developing
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Transfer method
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By transfer roller
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Separation method
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Curvature and static eliminator
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Pickup method
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Cassette: Retard separation method
Manual feed pickup tray: Pad separation method
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Fixing method
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On demand
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Delivery method
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Face down delivery (in-body delivery)
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Reproduction ratio
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25% to 400%
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Drum cleaning method
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By cleaning blade
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Toner type
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Magnetic negative charge toner
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Toner replenish method
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Toner cartridge
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Toner level detection function
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Yes
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Image margin
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Top margin: 4.0 +1.5mm/-1.0mm
Left margin: 2.5±1.5mm
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Non-Image Width
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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)
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Warm-up time
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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.
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Number of gradations
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256 gradations
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Reading resolution
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600×600dpi
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Writing resolution
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1200×1200dpi
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First print time
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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
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Paper type (Cassette)
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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)
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Paper type
(Manual feed pickup tray)
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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)
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Paper size (Cassette 1)
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A4, A4R, A5R, B4, B5, B5R, LTR, LTTR, LGL, STMTR, 8K, 16K, 16KR, EXEC
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Paper size (Cassette 2)
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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.
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Paper size
(Manual feed pickup tray)
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Cassette feedable size
Custom paper size (99 mm x 148 mm to 297 mm x 431.8 mm)
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Pickup capacity
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Cassette: 550 sheets (80g/m2), 680 sheets (64g/m2)
Manual feed pickup tray: 80 sheets (80g/m2)
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Duplex method
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Through path duplex
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Memory capacity
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For Main Controller 1: 1GB (standard)
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For Main Controller 2: MAX 768MB
256MB(standard),512MB(option)
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HDD capacity
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Standard: 160GB, Maximum: 1TB
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Environment temperature range
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Refer to "Installation" in Chapter
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Environment humidity range
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Environment atmosphere range
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610 to 1013 hpa (0.6 to 1.0 atmospheric pressure)
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Noise (At the time of printing)
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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
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Rated power supply
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AC120V/10.4A: (iR ADVANCE 4251)
AC230V/5.6A: (iR ADVANCE 4251)
*All the optional power supplies are supplied by the main body
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Power consumption
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Maximum power consumption
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120-127V: 1.5kW or less (iR ADVANCE 4251)
220-240V: 1.5kW or less (iR ADVANCE 4251)
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At the time of printing
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-
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At the time of sleep (Deep Sleep)
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1.0 W or less (In environmental heater switch OFF)
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At the time of standby
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-
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Dimension (WxDxH)
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565mm × 708mm × 769mm (with the platen cover)
565mm × 708mm × 902mm (with the DADF) |
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Weight
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Max (with the DADF): Approx. 78 kg
Min (without the reader for EU): Approx 62 kg
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