imageRUNNER 1643i II / 1643iF II

Main Unit

Machine Type

Monochrome A4 Laser Multifunctional

Core Function

iR 1643iF II: Print, Copy, Scan, Send and Fax
iR 1643i II: Print, Copy, Scan and Send

Control Panel

12.7 cm (5 inch) TFT LCD WVGA Colour Touch panel


Standard: 1.0 GB RAM


eMMC: 2 GB

Interface Connection

1000Base-T/100Base-TX/10Base-T, Wireless LAN (IEEE 802.11 b/g/n), Wi-Fi Direct Connection

USB 2.0 (Host) x2, USB 2.0 (Device) x1

Memory Media

USB Memory

Network Security

TLS 1.3, IPSec, IEEE802.1X authentication, SNMPv3, Firewall, Functionality (IP/MAC Address Filtering), Enabling/Disabling (Network Applications, Remote UI, USB Interface), G3 FAX separation from LAN, USB Port separation from LAN

Document Security

Print Security (Secure Print, uniFLOW Secure Print*1), Scan Security (Encrypted PDF, Device Signature PDF/XPS), Send Data Security (Restricted E-mail/File send functions, Security Confirming FAX number, Allow/Restrict Fax Driver Transmissions, Allow/Restrict Sending from History)

Paper Supply Capacity (A4, 80 gsm)

Paper Cassette: 550 sheet
Multi-purpose tray: 100 sheet
Maximum: 2,300 sheets (with PAPER FEEDER PF-C1x3)

Paper Output Capacity (A4, 80 gsm)

Standard: 150 sheets

Toner (Estimated Yield @ 5% Coverage)

Toner T06 Black: 20,500 impressions (A4)

Supported Media Sizes

Upper Cassette 1:
Standard size: A4, B5, A5, A5R, A6
Custom size: Minimum 105.0 x 148.0 mm up to 216.0 x 355.6 mm

Multi-purpose tray:
Standard size: A4, B5, A5, A5R, A6
Index Card, Envelopes [No. 10 (COM 10), Monarch, ISO-C5, DL]
Custom Size: Minimum 76.2 x 127.0 mm up to 216.0 x 355.6 mm

Supported Media Weights

Upper Cassette 1: 60 to 120 gsm
Multi-purpose tray: 60 to 199 gsm
Duplex: 60 to 120 gsm

Warm-up Time

From Power On: 14 Seconds or Less*2
From Sleep Mode: 4 Seconds or Less

Dimensions (W x D x H)

480 x 464 x 452 mm

Installation Space (W x D)

480 x 905 mm (With cassette open)


Standard: Approx. 20.0 kg (Including toner)


Print Speed (BW)

1-sided: Up to 43/43 ppm (A4)
2-sided: Up to 36/36 ppm (A4)

Print Resolution (dpi)

600 × 600

Page Description Languages

Standard: UFR II, PCL6, PCL5
Adobe®PostScript®3™ (Optional iR1643i II)

Direct Print

Direct printing available from USB memory, LPR
Supported file types: TIFF, JPEG, PDF and XPS (only LPR)

Printing from Mobile and Cloud Application

Apple AirPrint, Canon PRINT Business, Mopria and uniFLOW Online

Operating System

UFRII: Windows® 8.1/10/Server 2012/Server 2012 R2/Server 2016/Server 2019, MAC OS X (10.11 or later)
PCL: Windows® 8.1/10/Server 2012/Server 2012 R2/Server 2016/Server 2019
PS: Windows® 8.1/10/Server 2012/Server 2012 R2/Server 2016/Server 2019, MAC OS X (10.11 or later)





Document Feeder Paper Capacity

A4 - 50 sheets

Supported Media Sizes

Sheet media size: A4R, B5R, A5R, A6R
Custom size: 105 × 128 mm to 215.9 x 355.6 mm

Scan Speed (ipm: BW/CL, A4)

Copy (600 dpi):
1-sided Scanning: 20
2-sided Scanning: 34

Send (300 dpi):
1-sided Scanning (BW/CL): 38/13
2-sided Scanning (BW/CL): 70/26

Scan Resolution (dpi)

Copy: up to 600 x 600
Send: (Push) up to 300 x 600, (Pull) up to 600 x 600
Fax: up to 400 x 400

Pull Scan Specifications

ScanGear MF For both TWAIN and WIA


Fax (iR1643iF II only)

Maximum Number of Connection Lines


Modem Speed

Super G3: 33.6 kbps
G3: 14.4 kbps

Compression Method


Resolution (dpi)

400 x 400 (Ultrafine), 200 x 400 (Superfine), 200 x 200 (Fine/Photo), 200 x 100 (Normal)

Fax Memory

Up to 512 pages

Speed Dials

Max. 281

Group Dials / Destinations

Max. 299 dials

Sequential Broadcast

Max. 310 addresses


Power Source

AC 220-240V: 3.9A, 50/60Hz

Power Consumption

Maximum: Approx. 1420 W or less

Paper Supply Options


  1. Requires optional uniFLOW Online / uniFLOW.
  2. Time from device power-on, until copy ready (not print reservation).
  3. Colour mode is black and white only.
  4. Single Page Only.
  5. Attached to the main unit.