Digital Duplicators

Duplicator Two-Color Printer

The MH9450 Digital Duplicator

Add a second color to your documents quickly, easily, and economically, and deliver new levels of value, impact and profitability.

Increase the effectiveness of your communications by adding color to emphasize key ideas and information. The RISO MH9450 single-pass, two-color digital duplicator empowers graphic artists and print shop owners to produce high-impact spot color documents quickly, easily, and economically.

Produce More Jobs

Reduce pre-press and make-ready times by up to 50% and increase machine availability to produce commercial-quality one- and two-color prints.

Automate Production

Plug-and-Print capability automatically and immediately prints one or multiple saved jobs at speeds up to 150 ppm from a USB flash drive without the need for additional user intervention.

Enhanced Image Quality

True 600 dpi imaging, improved drum-to-drum motion control, and advanced printer driver algorithms deliver smoother ink transfer and overall increased image quality.

Minimize Short-Run Printing Costs

Fully integrated job preparation software reduces the number of proofing cycles by up to 30%.

Go Green

The MH9450 is an ENERGY STAR qualified printer with extremely low power consumption. With over seventy ink colors, natural fiber masters, and a mercury-free LCD panel display, the MH9450 provides an effective way to reduce your operation’s carbon footprint.

Enhanced two-color printing processes

The MH9450 easily converts any digital document—including digital design files and hard-copy originals—to high-quality 2-color output.

RISO’s Easy2Color feature provides editing capabilities to produce two-color prints from hard copy originals via one of four powerful, yet simple methods.

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Master-Making/Printing Methods

High-speed digital master-making/full automatic stencil printing

Original Type

Book or Sheet


Scanning: 600 dpi × 600 dpi
Printing: 600 dpi × 600 dpi
Quick Master Making Mode: 600 dpi × 400 dpi

Image Processing Mode

Line, Photo (Standard/Portrait/Group), Duo (Line/Photo/Shadow off), Pencil (Darker/Lighter)

Ink Supply

Fully automatic (1,000 ml per cartridge)

User Interface

Color touch panel

Optional Accessories

RISO MF/SF Drum, RISO Auto Document Feeder VII, Job Separator IV; NIII, RISO Controller IS300, Card Feed Kit (Compatible with paper weight 27-lb bond to 221-lb index (100gsm – 400gsm), Envelope Feeder Kit (Compatible with paper weights 13-lb bond to 32-lb bond (50gsm – 120gsm), RISO Stand D Type III 2 Color (Deluxe and with doors for convenient storage with a neat appearance), RISO Stand N Type III 2 Color (Sturdy open-front stand also offers convenient storage of consumables), IC Card Reader Activation Kit RG, Wide Stacking Tray (Allows use of paper up to 21 27/32 inches (555mm) in long edge.), RISO Printer driver for Macintosh

*Please contact a RISO sales executive for the kinds of paper that may be used.


Image, Contrast, Size, Paper Size Detection, D-Feed Check, Dot Process, Contrast Adj, Tone Curve, Layout, Multi-Up Print, 2 Up, Book Shadow, Top Margin Adj., Binding Margin Adj., Max. Scan, Ink Saving, Quick Master Making, Preview, ADF Semi-Auto*6, Storage, Overlay, Stamp, Print Speed Adjustment, Print Density Adjustment, Print Position Adjustment, Interval, Renew Page, Auto Page Renewal, One Side Master Make, Rotate, Special Paper Ctrl, Output reversal, Scanning Side -ADF*6, Paper Memory Print, Separation, Recommendation Preview, Color, Program, Job Separation*7, Slip sheet sorting, Job Memory, Reservation, Editor, Idling Action, Confidential, My Direct Access, Meter Display, ID Counter Report, Proof Copy, Direct Printing, USB Job List, Scanning Mode, Admin., Auto Sleep, Auto Power-OFF, Power-OFF Schedule, Protect, RISO iQuality System, Application Linkage

Power Source

AC 100-240 V, 50-60 Hz

Power Consumption (without accessories)

Max. 630 W (AC 100-120V), 580 W (AC 220-240V), Ready: 50 W or lower, Sleep: (Standard) 5 W or lower, (Low) 0.5 W or lower, Power-OFF: 0.5 W or lower

Printing & Paper

Print Paper Weight

When using the Auto Document Feeder AF-VI:II (option): 13-lb bond (50 gsm) – 34-lb bond (128 gsm)

When using the Auto Document Feeder DX-1 (option): Single-sided feeding: 11-lb bond (40 gsm) – 34-lb bond (128 gsm)
Duplex-sided feeding: 14-lb bond (52 gsm) – 28-lb bond (105 gsm)

Paper Feed Tray Stacking Capacity

1,000 sheets*, stacking height 4 11/32 inches (110 mm) or less.

*When using the following weight of paper: 17-lb bond to 21-lb bond (64 gsm to 80 gsm)

Paper Receiving Tray Stacking Capacity

Approx. 1,000 sheets (21-lb bond (80 gsm)) /Maximum Height 4 11/32″ (110 mm)

Master-making Time (Letter/Short Edge Feed/100% Reproduction Ratio)

Quick Master Making Mode:
• Dual color print: approx. 53 seconds
• Mono color print with drum (cylinder) 1: approx. 22 seconds
• Mono color print with drum (cylinder) 2: approx. 32 seconds

Normal Master Making Mode:
• Dual color print: approx. 57 seconds
• Mono color print with drum (cylinder) 1: approx. 24 seconds
• Mono color print with drum (cylinder) 2: approx. 34 seconds

Maximum Printing Area

11 15/32 inches x 16 23/32 inches (291 mm x 425 mm)

Print Reproduction Ratio

Zoom (50% to 200%), Free, 100% reproduction ratio, Margin+ (90% to 99%), Enlargement (200%, 154%, 129%, 121%), Reduction (78%, 65%, 61%, 50%)

Print Speed

6 levels: 60, 80, 100, 110, 120, and 150 (High Speed*) sheets per minute

* If the temperature of the inside of the print drum (cylinder) is less than 59°F (15°C) [High Speed] is not usable. In order to use [High Speed] when you print in mono-color mode with print drum (cylinder) 2 while print drum (cylinder) 1 is removed, use paper with a length of 14 11/32 inches to 17 inches (364 mm to 432 mm) in the horizontal Direction.

Print Position Adjustment

Horizontal: ±19/32 inches, Vertical: ±13/32 inches (Horizontal: ±15 mm, Vertical: ±10 mm)

Master Supply/Disposal

Fully automatic A3 approx. 220 sheets per roll / Disposal Capacity: Approx. 80 sheets

Operating Environment

Dimensions (W x D x H)
The height includes the dedicated rack.

When in use: 63 31/32 inches x 28 15/16 inches x 43 23/32 inches (1,625 mm x 735 mm x 1,115 mm)
When in storage: 39 9/16 inches x 28 15/16 inches x 43 23/32 inches (1,005 mm x 735 mm x 1,115 mm)

Required Space (W x D x H)

67 17/32 inches x 52 3/8 inches x 61 13/16 inches (1,715 mm x 1,330 mm x 1,570 mm)


Approx. 164 kg (362 lb)

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