Specifications of this Machine

Main unit

Item

Specifications

Name

bizhub C257i

Type

Desktop

Scanning resolution

600 dpi  600 dpi

Writing resolution

1800 dpi or equivalent  600 dpi

Gradation

256

Memory size

6 GB

Storage size

256 GB

Originals

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

Max. original size

11  17 (A3)

Output size

Main unit: 11  17*1 to 8-1/2  11, 5-1/2  8-1/2, A3*1 to A5 short edge feed, 8  13*2, 16K, 8K, Custom-size paper*3

Bypass Tray: 11  17 to 5-1/2  8-1/2, A3 to B6 short edge feed, A6 short edge feed, 8  13*4, 16K, 8K, Postcard (4  6 (A6 Card)), Envelope*5, Index paper, Banner paper (Width: 8-1/4 inches to 11-11/16 inches (210 mm to 297 mm), Length: 17 inches to 47-1/4 inches (431.9 mm to 1200 mm))*6, Custom-size paper*7

*1 11  17 and A3 are available only for Tray 2.

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

*3Tray 1 is available for the following paper size: "Width: 5-1/2 inches to 11-11/16 inches (139.7 mm to 297 mm) and Length: 7-3/16 inches to 14-5/16 inches (182 mm to 364 mm)". Tray 2 is available for the following paper size: "Width: 5-1/2 inches to 11-11/16 inches (139.7 mm to 297 mm) and Length: 7-3/16 inches to 17 inches (182 mm to 431.8 mm)".

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

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

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

*7Bypass Tray is available for the following paper size: "Width: 3-9/16 inches to 11-11/16 inches (90 mm to 297 mm) and Length: 5-1/2 inches to 47-1/4 inches (139.7 mm to 1200 mm)".

Image chipping width

Top edge: Max. 3/16 inches (4.2 mm) or less, Bottom edge: Max. 1/8 inches (3 mm) or less, Right/left edges: Max. 1/8 inches (3 mm) or less

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

Paper weight

Main unit: 15-15/16 lb to 68-1/8 lb (60 g/m2 to 256 g/m2)

Bypass Tray: 15-15/16 lb to 68-1/8 lb (60 g/m2 to 256 g/m2)

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

20 sec. or less

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

First copy time

Full color: 8.4 sec. or less, Black: 6.8 sec. or less

Copy speed

26.2 sheets/min. (8-1/2  11 long edge feed, A4 long edge feed, B5 long edge feed)

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

14.1 sheets/min. (11  17, A3)

Copy magnification

< Fixed same magnification >

Full size 1 : 1plus or minus0.5% or less

Enlarge

Inch area 1: 1.214/1.294/1.545/2.000

Metric area 1: 1.154/1.224/1.414/2.000

Reduce

Inch area 1: 0.785/0.733/0.647/0.500

Metric area 1: 0.866/0.816/0.707/0.500

< 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 (21-1/4 lb (80 g/m2))

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

Stacking capacity

250 sheets (8-1/2  11 long edge feed (A4 long edge feed)) (21-1/4 lb (80 g/m2))

Number of continuous copies

1 to 9999 sheets

Auto duplex

Paper size: 11  17 to 5-1/2  8-1/2 short edge feed, A3 to A5, B6 short edge feed, A6 short edge feed, Postcard (4  6 (A6 Card)), 8  13 short edge feed, 16K short edge feed/long edge feed, 8K short edge feed

Paper weight: 15-15/16 lb to 68-1/8 lb (60 g/m2 to 256 g/m2)

Power supply

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

Max. power consumption

1.58 kW

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

22-1/2 inches (571 mm)  26-1/16 inches (661.5 mm)  30-15/16 inches (786 mm) (Up to the surface of Original Grass)

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

34-13/16 inches (885 mm)  42-15/16 inches (1090 mm)  30-15/16 inches (786 mm)

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

Weight

Approx. 154-5/16 lb (70 kg)

Scanning function specifications

Item

Specifications

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: 55 sheets/min.

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

Interface

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

Supported protocols

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

* Compatible with SMB 3.0.

Output format

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

Supported operating systems

Windows 7 *

Windows 8.1 *

Windows 10 *

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

Driver

TWAIN Driver

HDD TWAIN Driver

Printer specifications

Item

Specifications

Type

Embedded

Paper size

Conforms to the main unit specifications.

Print speed

Conforms to the main unit specifications.

Resolution

1800 dpi (equivalent)  600 dpi (at smoothing)

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 3.0.

Supported operating systems (PCL)

Windows 7 *

Windows 8.1 *

Windows 10 *

Windows Server 2008 *

Windows Server 2008 R2

Windows Server 2012/Windows Server 2012 R2

Windows Server 2016

Windows Server 2019

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

Supported operating systems (PS)

Windows 7 *

Windows 8.1 *

Windows 10 *

Windows Server 2008 *

Windows Server 2008 R2

Windows Server 2012/Windows Server 2012 R2

Windows Server 2016

Windows Server 2019

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

Mac OS 10.11/10.12/10.13/10.14/10.15 (Intel-based PPD)

Linux (PPD)

Interface

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

USB 2.0/1.1