Konica Minolta bizhub 451i

Konica Minolta bizhub 451i

Achieve high-speed black and white output tailored for busy offices with economical operation. Enjoy user-friendly touch-and-swipe functionality and accommodate high-volume tasks with up to a 6,650-sheet paper capacity.

Key Features

  • 45 ppm in black&white
  • Paper formats: A6-SRA3, custom formats and banner printing up to 1.2 m
  • Automatic media type detection for improved User Experience
  • 10.1-inch colour tablet-like touch panel with easy customisable modern UI
  • Highest data security with even greater protection against malicious activity and increased visibility of attempted cyberattacks


Print from Anywhere, Anytime

All new i-SERIES 

To access training on the product, highlighting its main features and functions, click here. This link provides a practical demonstration of operating the system, including tasks such as copying, printing, scanning, and faxing, as well as instructions for tasks like changing toner or staples and replenishing paper. Alternatively, you can refer to the online manual for troubleshooting and further insights into your device.

Managed Print Services – MJ Flood

MJ Flood’s Managed Print Services (MPS) combine consulting, hardware, software, implementation and workflow management in order to lower document spend. We operate with companies across a wide range of sectors including: EducationLarge EnterprisePublic Sector, and SMEs.

Visit the Managed Print Services Website



Universal Printer Driver

One driver to install, manage and maintain


Print driver customisation

Direct Print

Driverless printing of PDF, XPS, DOCX, XLSX, PPTX, JPEG, TIFF, PS and PCL

Smart Job Queue

Unprintable jobs e.g. because of unavailable paper size (copy, print and fax) are bypassed by consecutive jobs

Mobile Printing

Possibility to directly print documents from a mobile device


Blank Page Removal

Automatic deletion of blank pages e.g. when copying mixed simplex and duplex documents

Quick Access Settings

With most used settings visible at first sight, select them with one click, drop down or pop up menu

New User Interface

Light, simple and modern UI is easy to use



Direct scan to own email address (Me) or SMB folder (Home) based on Active Directory information

Scan Preview

Provides a real-time preview of scanned originals for checking before sending

Scan Annotation

Stamping of e.g. date/time, filing number or custom text on scans for archiving purposes

Dual Scan Document Feeder

DSDF with standard double feed detection helps ro perfom scan jobs quicker

Scan to URL

Reduce the load on the company network by sending a simple url to the recipient instead of a big file

Blank Page Removal

Automatic deletion of blank pages e.g. when scanning mixed simplex and duplex documents

Fax - Optional


Sending of fax messages via network between Konica Minolta MFPs; supports colour as well as black & white


Direct fax transmission from the PC

Fax Forwarding

Forwarding of incoming fax documents by email or to SMB folder instead of printing

Shared Address Book

The MFP-internal address book can be shared with the PC fax client

Tray Selection

Choice of input tray / print wp-content/uploads and output tray for easy visibility of incoming faxes


Box Function

Storing of print, copy, scan and fax jobs for recall to send and print – for frequently printed documents like brochures, forms, pricelists etc.

Personal, Group and Public

User access definition for different boxes


Copying of documents from user box to user box

Online access

User box file access via web browser or box operator utility


Copying of documents from user box to user box

Online Access

User box file access via web browser or box operator utility

Auto Deletion

Automatic deletion of files stored in a user box after a predefined period


Embedded Antivirus

End users can now follow the live status of the virus scanning on the display and can then also contact the IT administrator in case of doubt. Also, the administrator now receives more information about the virus including its type it is and, where it originated.


User access by password, user name + password, ID card or finger vein scanner

Access Rights

Function access rights can be granted on user level (up to 1,000 accounts on MFP)

Data Encryption

Encryption of data stored on hard disk and password protection for hard disk access

New Data Erasure Tool

When the device is end of life, organizations do not have to worry about their data, as they can delete all data on the SSD (Solid State Drive) with the new data erasure tool “Secure Erase”. After erasure, the firmware of the device is deleted so that the device can no longer be started.

Unauthorised Access

System administrator is alterted via SNMP trap in case of unauthorized access attempt and can block the access

Password Attack Access

Authentication request is measured and in case of attack discovery, the server is notificated

bizhub SECURE Services

Securely set the MFP to make sure the company s data is safe



Dynamic ECO Timer

Automatic analysis of working hours and adjustment of sleep mode timing

ECO Scan

Scanning of documents without warm-up of the print engine

ECO Print

Touch screen panel does not light up for printing out of sleep mode

Weekly Timer

Sleep mode timer setting on day and date basis

ECO Meter

Counter for ECO related items e.g. power consumption


Finishing - Optional

Corner stapling, two-point stapling, two-hole punching, four-hole punching, Duplex, Combined mixplex/mixmedia, half-fold, sheet insertion, report, letter-fold, booklet, offset printing, banner printing

Finishing Options

All new i-SERIES

All new i-SERIES



Specifications & Downloads

Copier Specifications

Imaging Technology


Toner Technology

Simitri® V polymerised toner

System Speed A4

Up to 45 ppm

System Speed A3

Up to 22 ppm

Autoduplex Speed A4

Up to 45 ppm

1st Page Out Time A4

3.8 sec.

Warm-Up Time

Approx. 12 sec.¹

Copy Resolution

600 x 600 dpi


256 gradations


1 – 9,999

Original Format

Max. A3


25-400% in 0.1% steps; Auto-zooming

Printer Specifications

Print Resolution

1,800 (equivalent) x 600 dpi; 1200 x 1200 dpi

Page Description Language

PCL 6 (XL3.0); PCL 5c; PostScript 3 (CPSI 3016); XPS

Operating Systems

Windows 10 (32/64); Windows 11; Windows Server 2016; Windows Server 2019; Windows Server 2022; macOS 10.12 or later; Unix; Linux; Citrix

Printer Fonts

80 PCL Latin; 137 PostScript 3 Emulation Latin

Barcode fonts (optional); OCR A and B fonts

(optional); Unicode fonts (optional)

Mobile Printing

AirPrint (iOS); Mopria (Android); Konica Minolta Mobile Print (iOS/Android)

Optional: WiFi Direct

Scanner Specifications

Scan Speed

Up to 140/140 ipm in simplex (mono/colour)
Up to 280/280 ipm in duplex (mono/colour)

Scan Resolution

Up to 600 x 600 dpi

Scan Modes

Scan-to-eMail (Scan-to-Me); Scan-to-SMB (Scan-to-Home); Scan-to-FTP; Scan-to-Box; Scan-to-USB; Scan-to-WebDAV; Scan-to-DPWS; Scan-to-URL; TWAIN scan

File Formats

JPEG; TIFF; PDF; Compact PDF; Encrypted PDF; XPS; Compact XPS; PPTX; PDF/A 1a and 1b
optional: Searchable PDF; Searchable DOCX/PPTX/XLSX

Scan Destinations

2,000 destinations + 100 groups; LDAP support


Fax - Optional

Super G3

Fax Transmission

Analogue; i-Fax; Colour i-Fax; IP-Fax

Fax Resolution

Up to 600 x 600 dpi

Fax Compression


Fax Modem

Up to 33.6 Kbps

Fax Destinations

2,000 single + 100 groups

User Box Specification

Storable Documents

Up to 3,000 documents or 10,000 pages

Type of User Boxes

Public; Personal (with password or authentication); Group (with authentication)

Type of System Boxes

Secure print; Encrypted PDF print; Fax receipt; Fax polling

Mobile Printing

AirPrint (iOS); Mopria (Android); Konica Minolta Mobile Print (iOS/Android)

optional: WiFi Direct

Scan Resolution

600 x 600 dpi

System Specifications

Panel Size / Resolution

10.1″ / 1024 x 600

System Memory

8,192 MB (standard/max)

System Hard Drive

256 GB SSD (standard) / 1 TB SSD (optional)


10/100/1,000-Base-T Ethernet; USB 2.0; Wi-Fi 802.11 b/g/n/ac (optional)

Network Protocols

TCP/IP (IPv4 / IPv6); SMB; LPD; IPP; SNMP; HTTP(S); Bonjour

Automatic Document Feeder

Up to 300 originals; A6-A3; 35-210 g/m²; Dualscan ADF

ADF Double Feed Detection


Printable Paper Size

A6-SRA3; customised paper sizes; banner paper max. 1,200 x 297 mm

Printable Paper Weight

52-300 g/m²

Paper Input Capacity

1,150 sheets / 6,650 sheets (standard/max)

Paper Tray Input - Standard

1x 500; A6-A3; custom sizes; 52-256 g/m²
1x 500; A5-SRA3; custom sizes; 52-256 g/m²

Paper Tray Input - Optional

1x 500 sheets; A5-A3; 52-256 g/m²
2x 500 sheets; A5-A3; 52-256 g/m²
1x 2,500 sheets; A4; 52-256 g/m²
1x 1,500 + 1x 1,000 sheets; A5-A4; 52-256 g/m²

Large Capacity Tray - Optional

1x 3,000; A4; 52-256 g/m²
1x 2,500; A4-SRA3; custom sizes; 52-256 g/m²

Manual Bypass

150 sheets; A6-SRA3; custom sizes,banner; 60-300 g/m²

Automatic Duplexing

A6-SRA3; 52-256 g/m²

Finishing - Optional

Corner stapling, two-point stapling, two-hole punching, four-hole punching, Duplex, Combined mixplex/mixmedia, half-fold, sheet insertion, report, letter-fold, booklet, offset printing, banner printing

Output Capacity

Up to 250 sheets / up to 3,300 sheets (standard/max)


Max. 100 sheets or 98 sheets + 2 cover sheets (up to 300 g/m²)

Stapling Output Capacity

Max. 200 sets

Letter Fold

Max. 3 sheets

Letter Fold Capacity

Max. 50 sets; unlimited (without tray)


Max. 20 sheets or 19 sheets + 1 cover sheet (up to 300 g/m²)

Booklet Output Capacity

Max. 35 booklets; unlimited (without tray)

Duty Cycle (Monthly)

Rec. 40,000 pages; Max.² 200,000 pages

Toner Lifetime

Black up to 24,000 pages

Imaging Unit Lifetime

Black up to 260,000/1,000,000 pages (drum/developer)

Power Consumption

220-240 V / 50/60 Hz; Less than 1.58 kW

System Dimensions (WxDxH)

615 x 688 x 961 mm (without options)

System Weight

Approx. 98.0 kg (without options)

System Features


ISO15408 Common Criteria (in evaluation); IP filtering and port blocking; SSL3 and TLS1.1/1.2/1.3 network communication; IPsec support; IEEE 802.1x support; User authentication; Authentication log; Secure print; Kerberos; Hard drive overwrite; Hard drive data encryption (AES 256); Confidential fax; Print user data encryption
optional: Antivirus realtime scanning (Bitdefender®); Copy protection (Copy Guard, Password Copy)


Up to 1,000 user accounts; Active Directory support (user name + password + e-mail + smb folder); User function access definition; Authentication by mobile device (Android)

Optional: Biometric authentication (finger vein scanner); ID card authentication (ID card reader); Authentication by mobile device (iOS)


RTM TWAIN Driver; Data Administrator; Log Management Utility; Font Management Utility; HDD Backup Utility; Web Connection; Driver Packaging Utility

  • All specifications refer to A4-size paper of 80 g/m² quality.
  • The support and availability of the listed specifications and functionalities varies depending on operating systems, applications and network protocols as well as network and system configurations.
  • The stated life expectancy of each consumable is based on specific operating conditions such as page coverage for a particular page size (6% coverage of A4). The actual life of each consumable will vary depending on use and other printing variables including page coverage, page size, media type, continuous or intermittent printing, ambient temperature and humidity.
  • Some of the product illustrations contain optional accessories.
  • Specifications and accessories are based on the information available at the time of printing and are subject to change without notice.
  • Konica Minolta does not warrant that any specifications mentioned will be error-free.
  • All brand and product names may be registered trademarks or trademarks of their respective holders and are hereby acknowledged.


¹ Warm-up time may vary depending on the operating environment and usage
² If the maximum volume is reached within a period of one year, then a maintenance cycle must be performed


For drivers, manuals, software applications,safety documents and online manual please click here

Konica Minolta bizhub 451i brochure