Name

bizhub 451i

Type

Desktop

Scanning resolution

600 dpi e 600 dpi

Writing resolution

1800 dpi or equivalent e 600 dpi

Gradation

256

Memory size

8 GB

Storage size

256 GB

Originals

Sheets, books, objects (Max. weight limit: 2 kg (4-7/16 lb))

Max. original size

A3 (11 e 17)

Output size

Main unit: SRA3^*1, A3 to A6 w^*2, A3 wide (311.1 mm e 457.2 mm (12-1/4 e 18))^*1, A3 wide (304.8 mm e 457.2 mm (12 e 18))^*1, 11 e 17 to 8-1/2 e 11, 5-1/2 e 8-1/2 w, 8 e 13^*3, 16K, 8K, Postcard (4 e 6, A6 Card)^*2, Envelope^*2*4, Custom-size paper^*5

Bypass Tray: SRA3, A3 to B6 w, A6 w, A3 wide (304.8 mm e 457.2 mm (12 e 18)), 11 e 17 to 5-1/2 e 8-1/2, 8 e 13^*6, 16K, 8K, Postcard (4 e 6, A6 Card), Envelope^*4, Index paper, Banner paper (Width: 90 mm to 297 mm (3-9/16 inches to 11-11/16 inches), Length: 457.3 mm to 1200 mm (18 inches to 47-1/4 inches))^*7, Custom-size paper^*8

^*1 SRA3, A3 wide (311.1 mm e 457.2 mm (12-1/4 e 18)), and A3 wide (304.8 mm e 457.2 mm (12 e 18)) are available only for Tray 2.

^*2 B6 w, A6 w, postcard, and envelope are available only for Tray 1.

^*3 Foolscap has the following four types: 8-1/2 e 13-1/2 w, 8-1/2 e 13 w, 8-1/4 e 13 w, and 8 e 13 w. Any one of these sizes is selectable. For details, contact your service representative.

^*4 Wrinkles or printing errors may occur due to the type, storage or environment that exists when envelope printing is carried out.

^*5Tray 1 is available for the following paper size: "Width: 90 mm to 297 mm (3-9/16 inches to 11-11/16 inches) and Length: 148 mm to 431.8 mm (5-13/16 inches to 17 inches)". Tray 2 is available for the following paper size: "Width: 139.7 mm to 320 mm (5-1/2 inches to 12-5/8 inches) and Length: 182 mm to 457.2 mm (7-3/16 inches to 18 inches)".

^*6 Foolscap has the following six types: 8-1/2 e 13-1/2 w, 220 mm e 330 mm w, 8-1/2 e 13 w, 8-1/4 e 13 w, 8-1/8 e 13-1/4 w, and 8 e 13 w. Any one of these sizes is selectable. For details, contact your service representative.

^*7 Printing on banner paper can only be performed from a PC.

^*8Bypass Tray is available for the following paper size: "Width: 90 mm to 320 mm (3-9/16 inches to 12-5/8 inches) and Length: 139.7 mm to 1200 mm (5-1/2 inches to 47-1/4 inches)".

Image chipping width

For each paper size, top edge: 4.2 mm (3/16 inches)^*1, bottom edge / right edge / left edge: 3 mm (1/8 inches)

4.2 mm (3/16 inches) on each edge of the image is clipped when printed.

^*1 Thin paper: 5 mm (3/16 inches)

Paper weight

Main unit: 52 g/m² to 256 g/m² (13-13/16 lb to 68-1/8 lb)

Bypass Tray: 60 g/m² to 300 g/m² (15-15/16 lb to 79-13/16 lb)

Warm-up time (23 °C (73.4 °F), std. voltage)

12 sec. or less

* Warm-up time may vary depending on the operating environment and usage.

First copy time

3.8 sec.

Copy speed

45.2 sheets/min. (A4 v, B5 v, 8-1/2 e 11 v)

25.6 sheets/min. (B4, 8-1/2 e 14)

22.6 sheets/min. (A3, 11 e 17)

* Printing speed may decrease when printing in 1200 dpi e 1200 dpi mode, or when printing on paper other than plain paper.

Copy magnification

< Fixed same magnification >

Full size 1 : 1^0.5% or less

Enlarge

Metric area 1: 1.154/1.224/1.414/2.000

Inch area 1: 1.214/1.294/1.545/2.000

Reduce

Metric area 1: 0.866/0.816/0.707/0.500

Inch area 1: 0.785/0.733/0.647/0.500

< Preset >

3 types

< Zoom >

25% to 400% (in 0.1% increments)

< Lengthwise crosswise individual settings >

25% to 400% (in 0.1% increments)

Paper handling/paper capacity

Tray 1/Tray 2: 500 sheets for each (80 g/m² (21-1/4 lb))

Bypass Tray: 150 sheets (80 g/m² (21-1/4 lb))

Stacking capacity

250 sheets (A4 v (8-1/2 e 11 v)) (80 g/m² (21-1/4 lb))

Number of continuous copies

1 to 9999 sheets

Auto duplex

Non-stack type

Paper size: SRA3, A3 to A5, B6 w, A6 w, A3 wide (311.1 mm e 457.2 mm (12-1/4 e 18)), A3 wide (304.8 mm e 457.2 mm (12 e 18)), 11 e 17 to 5-1/2 e 8-1/2 w, 8 e 13, 16K, 8K, Postcard (4 e 6, A6 Card)

Paper weight: 52 g/m² to 256 g/m² (13-13/16 lb to 68-1/8 lb)

Power supply

AC 120 V, 12 A, 60 Hz

AC 220 V to 240 V, 8 A, 50/60 Hz

Max. power consumption

1.58 kW

Dimensions ([W] e [D] e [H])

615 mm (24-3/16 inches) e 688 mm (27-1/16 inches) e 961 mm (37-13/16 inches) (including ADF)

Machine occupation dimensions ([W] e [D] e [H])

937 mm (36-7/8 inches) e 1343 mm (52-7/8 inches) e 1314.5 mm (51-3/4 inches)

* This shows the dimensions when the Paper Trays are pulled out while the ADF and the Tray Extension of the Bypass Tray are opened.

Weight

Approx. 98 kg (216-1/16 lb) (including ADF)

Document feeder type

Dual Scan Document Feeder

Original types

Thin paper

1-sided original: 35 g/m² to 49 g/m² (9-5/16 lb to 13-1/16 lb)

Plain paper

1-sided original: 50 g/m² to 210 g/m² (13-5/16 lb to 55-7/8 lb)

2-sided original: 50 g/m² to 210 g/m² (13-5/16 lb to 55-7/8 lb)

Mixed original: 50 g/m² to 210 g/m² (13-5/16 lb to 55-7/8 lb)

Original size

Max. A3 (11 e 17) (Fax mode: Max. 1000 mm (39-3/8 inches))

Original loading capacity

300 sheets (80 g/m² (21-1/4 lb))

Compatible with a mixed original in the same or different series.

Scanning speed

When copying (B & W, A4 v or Letter (8-1/2 e 11 v), resolution 600 dpi)

1-sided original: 80 sheets/min.

2-sided original: 160 sides/min.

Power supply

Supply from machine

Dimensions ([W] e [D] e [H])

611 mm (24-1/16 inches) e 511 mm (20-1/8 inches) e 177 mm (6-15/16 inches)

Weight

Approx. 15.1 kg (33-5/16 lb)

Type

Full-color scanner

Scanning size

Conforms to the main unit specifications.

Scanning resolution

Push: 200 dpi/300 dpi/400 dpi/600 dpi

Pull: 100 dpi/200 dpi/300 dpi/400 dpi/600 dpi

Scanning speed

Color and B & W: 140 sheets/min.

* Speed when scanning A4 original in 200 dpi mode by using the ADF.

* Excluding Compact PDF.

Single-pass dual scanning

Color and B & W: 280 sides/min.

* Speed when scanning A4 original in 200 dpi mode by using the ADF.

* Excluding Compact PDF.

Interface

Ethernet (1000Base-T/100Base-TX/10Base-T)

IEEE802.11b/IEEE802.11g/IEEE802.11n/IEEE802.11a/IEEE802.11ac ^*

^* Available when the wireless network connection function is enabled.

Supported protocols

TCP/IP (FTP, SMB^*, SMTP, WebDAV) (IPv4/IPv6)

^* Compatible with SMB 3.1.

Output format

TIFF, PDF, Compact PDF, PDF/A, Linearized PDF, JPEG, XPS, Compact XPS, OOXML (pptx, xlsx, docx), Searchable PDF

Supported operating systems

Windows 10 ^*

Windows 11

^* Supports the 32-bit (x86) or 64-bit (x64) environment.

Driver

TWAIN Driver

Type

Embedded

Paper size

Conforms to the main unit specifications.

Print speed

Conforms to the main unit specifications.

Resolution

1800 dpi (equivalent) e 600 dpi (at smoothing) or 1200 dpi e 1200 dpi (in 1200 dpi mode)

Page description language

PCL5e/c Emulation

PCL6 (XL ver. 3.0) Emulation

PostScript 3 Emulation (3016)

Fonts

< PCL >

European 80 fonts

< PS >

European 137 fonts

Supported protocols

TCP/IP (LPD, Raw, SMB^*, IPP)

^* Compatible with SMB 3.1.

Supported operating systems (PCL)

Windows 10 ^*

Windows 11

Windows Server 2016

Windows Server 2019

Windows Server 2022

^* Supports the 32-bit (x86) or 64-bit (x64) environment.

Supported operating systems (PS)

Windows 10 ^*

Windows 11

Windows Server 2016

Windows Server 2019

Windows Server 2022

^* Supports the 32-bit (x86) or 64-bit (x64) environment.

macOS 10.14/10.15/11/12/13 (Intel-based PPD)

macOS 11 (Apple M1 chip version PPD)

macOS 12/13 (Apple M1/M2 chip version PPD)

Linux (PPD)

Interface

Ethernet (1000Base-T/100Base-TX/10Base-T)

USB 2.0/1.1

IEEE802.11b/IEEE802.11g/IEEE802.11n/IEEE802.11a/IEEE802.11ac ^*

^* Available when the wireless network connection function is enabled.