Name

bizhub 4751i

bizhub 4051i

Type

Desktop

Scanning resolution

600 dpi e 600 dpi

Writing resolution

600 dpi e 600 dpi

1200 dpi e 1200 dpi^*

^* The speed reduces.

Gradation

256

Memory size

5 GB

Storage size

256 GB

Originals

Sheets, books, objects (Max. weight limit: 3 kg (6-5/8 lb))

Max. original size

A4 or 8-1/2 e 14

Output size

Main unit: A4, B5, A5, B6, A6, 8-1/2 e 11, 8 e 10-1/2, 8 e 10, 7-1/4 e 10-1/2, 5-1/2 e 8-1/2, 16K, Postcards (4 e 6, A6 card), Envelope^*1, Custom-size paper^*2

Bypass Tray: A4, B5, A5, B6, A6, 8-1/2 e 14, 8-1/2 e 12-11/16, 8-1/2 e 11, 8 e 10-1/2, 8 e 10, 7-1/4 e 10-1/2, 5-1/2 e 8-1/2, 8 e 13^*3, 16K, Postcards (4 e 6, A6 card), Envelope^*1, Custom-size paper^*4

^*1 Wrinkles or printing errors may occur due to the type, storage or environment that exists when envelope printing is carried out.

^*2 Tray 1 is available for the following paper size: "Width: 100 mm to 215.9 mm (3-15/16 inches to 8-1/2 inches) and Length: 148 mm to 297 mm (5-13/16 inches to 11-11/16 inches)".

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

^*4 Bypass Tray is available for the following paper size: "Width: 90 mm to 215.9 mm (3-9/16 inches to 8-1/2 inches) and Length: 148 mm to 355.6 mm (5-13/16 inches to 14 inches)".

Image chipping width

Top edge / Bottom edge / Left edge / Right edge for each paper size: 4.2 mm (3/16 inch)

Paper weight

Main unit: 60 g/m² to 210 g/m² (15-15/16 lb to 55-7/8 lb)

Bypass Tray: 60 g/m² to 210 g/m² (15-15/16 lb to 55-7/8 lb)

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

bizhub 4751i

22 sec. or less

bizhub 4051i

15 sec. or less

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

First copy time

bizhub 4751i

4.3 sec. or less

bizhub 4051i

4.8 sec. or less

Copy speed

bizhub 4751i

49.7 sheets/min. (B5, 8-1/2 e 11)

47.2 sheets/min. (A4)

bizhub 4051i

42.2 sheets/min. (B5, 8-1/2 e 11)

40.2 sheets/min. (A4)

* Printing speed may decrease when 60 seconds have passed after printing has started, 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: 1.154/1.224/1.414/1.632/2.000

Inch area 1: 1.294/1.545/2.000

Reduce

Metric area 1: 0.866/0.816/0.707/0.612/0.500

Inch area 1: 0.785/0.647/0.607/0.500

< 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: 500 sheets (80 g/m² (21-1/4 lb))

Bypass Tray: 100 sheets (80 g/m² (21-1/4 lb))

Stacking capacity

250 sheets (80 g/m² (21-1/4 lb))

Number of continuous copies

1 to 9999 sheets

Auto duplex

Paper size: A4, B5, 8-1/2 e 14, 8-1/2 e 12-11/16, 8-1/2 e 11, 8 e 10-1/2, 8 e 10, 7-1/4 e 10-1/2, 8 e 13, 16K

Paper weight: 60 g/m² to 210 g/m² (15-15/16 lb to 55-7/8 lb)

Power supply

AC 110 V to 127 V, 12 A, 50/60 Hz

AC 220 V to 240 V, 7.5 A, 50/60 Hz

Max. power consumption

1.45 kW

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

North America models: 471 mm (18-9/16 inches) e 528 mm (20-13/16 inches) e 572 mm (22-1/2 inches)

Other models: 420 mm (16-9/16 inches) e 528 mm (20-13/16 inches) e 572 mm (22-1/2 inches)

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

783 mm (30-13/16 inches) e 956 mm (37-5/8 inches) e 792 mm (31-3/16 inches)

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

Weight

North America models: Approx. 35.3 kg (77-13/16 lb)

Other models: Approx. 34.9 kg (76-15/16 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: 45 sheets (48 sheets)/min.

* Speed when scanning A4 (8-1/2 e 11) original in 300 dpi mode by using ADF.

Single-pass dual scanning

Color and B & W: 90 sheets/min.

* Speed when scanning A4 original in 300 dpi mode by using the ADF.

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.

First print time

bizhub 4751i

7.4 sec. or less

bizhub 4051i

8.0 sec. or less

Print speed

Conforms to the main unit specifications.

Resolution

600 dpi e 600 dpi

1200 dpi e 1200 dpi^*

^* The speed reduces.

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 2012

Windows Server 2012 R2

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 2012

Windows Server 2012 R2

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.