591U 591U
RISO Network Card
Document Storage Card DM-512CF
RISO Printer Driver for Macintosh
RISO Accounting Tool
RISO EZ Drum Ledger/A3
The unique approach to printing.
Card Feed Kit
RISO MASTER Z TYPE (215 sheets per roll)
RISO INK Z TYPE (1000ml per cartridge)
RISO Auto Document Feeder AF-VI
RISO Job Separator IV:N III
Master-Making/Printing Methods
Original Type
Original Size
Original Paper Weight
Scanning Area (max.)
Print Paper Size
Paper Supply Capacity
Print Paper Weight
Image Processing Mode
Master-making Time (for 100% reproduction ratio)
Printing Area (max.)
Print Reproduction Ratio
Print Speed
Print Position Adjustment
Ink Supply
Master Supply/Disposal
Master Disposal Capacity
User Interface
Power Source
Dimensions (W x D x H) without Stand
Weight without Stand
RISO Key Card Counter IV:N
RISO Controller IS300
High-speed digital master-making/Fully automatic stencil printing
Book, Sheet
When using the Glass Platen : 1 31/32" x 3 9/16"-12 3/16" x 17" (50 mm x 90 mm-310 mm x 432 mm)
When using the AF-VI (option) : 3 15/16" x 5 27/32"-12 3/16" x 17" (100 mm x 148 mm-310 mm x 432 mm)
When using the Glass Platen : 22 lb (10 kg) or less
When using the AF-VI (option) : 13 lb bond-34 lb bond (50 gsm-128 gsm)
11 11/16" x 17" (297 mm x 432 mm)
Standard : 3 15/16" x 5 27/32"-12 3/16" x 17" (100 mm x 148 mm-310 mm x 432 mm)
Extend Paper Mode : 3 15/16" x 5 27/32"-12 3/16" x 21 27/32" (100 mm x 148 mm-310 mm x 555 mm)
1000 sheets (17 lb bond (64 gsm))
Standard : 12 lb bond-110 lb index (46 gsm-210 gsm)
When using the Card Feed Kit (option): 27 lb bond-221 lb index (100 gsm-400 gsm)
Line, Photo (Standard/Portrait/Group), Duo, Pencil
Scanning resolution: 300 dpi x 600 dpi
Printing image resolution: 600e dpi (600 dpi x 600 dpi: Perforation density on the master)
Approx. 17 seconds (for Letter/Landscape) 19 seconds (for Letter/Portrait)
11 7/16" x 16 3/4" (291 mm x 425 mm)
4 enlargements (inch) : 121%, 129%, 154%, 200%/ (metric) : 116%, 122%, 141%, 163%
4 reductions (inch) : 78%, 65%, 61%, 50%/ (metric) : 87%, 82%, 71%, 61%
Zoom : 50%-200% in 1% increments
Free : Vertical 50%-200%, Horizontal : 50%-200%
Margin+ : 90%-99%
60 ppm-130 ppm (5 steps variable)
Vertical : ± 19/32" (± 15 mm), Horizontal : ± 3/8" (± 10 mm)
Fully automatic (1,000 ml per cartridge)
Fully automatic (215 sheets per roll)
Approx. 100 sheets
LCD Touch Panel with Progress Arrow indicators, Front Side Operation
EZ591U: 100 V-120 V AC, <3.4 A> 50 Hz-60 Hz/220 V-240 V AC, <1.6 A> 50 Hz-60 Hz
When in use: 55 23/32" (W) x 25 25/32" (D) x 26 3/16" (H) (1415 mm (W) x 655 mm (D) x 665 mm (H))
When in storage: 30 23/32" (W) x 25 25/32" (D) x 26 3/16" (H) (780 mm (W) x 655 mm (D) x 665 mm (H))
Approx. 227 lb (103 kg)
Specifications are subject to change without notice. Details may vary depending on the region.
RISO logo is the registered trademark of RISO KAGAKU CORPORATION.
are the trademarks of RISO KAGAKU CORPORATION.
Copyright ©2012 RISO KAGAKU CORPORATION. All rights reserved.
The color of the actual product may vary from the color shown in the brochure.
For more details please contact:
RISO, Inc.
300 Rosewood Drive, Suite 210 Danvers, MA 01923-4527
Printed in Japan. RAD No.9716459
USB Flash Print
Large LCD Touch Panel
Cost Effective
EZ591U Digital Duplicator
The Best Choice for Feature-Rich Ledger-Sized
With the highest resolution in the EZ series, the printing capability of the EZ591U digital duplicator
facilitates the handling of print jobs ranging from everyday documents and business communications
to more specialized applications like forms-on-demand, business cards, and even cardstocks.
The ability to print directly from a USB flash drive as well as a large LCD touch panel puts you in
control of getting the results you want. The EZ591U offers the superior choice for simple-to-use,
hassle-free printing.
Cost Effective
Easy to Operate
High Speed & Productive
Versatile & Reliable
Environmentally Friendly
The RISO EZ591U digital duplicator makes prints from a master. As a result, the more
pages generated from each master the lower the cost per print, making the RISO
EZ591U highly economical for mid- to large-volume printing.
Print quantity and cost per print
Printing cost per print
The RISO digital duplicator prints on a much broader range of media at speeds that far exceed
commonly used laser-based copiers. The RISO digital duplicator is specifically designed to handle run
lengths that are too long for copiers or laser printers.
Duplicate to Save Costs
Cost per print
Save Energy
A digital duplicator consumes as little as 1/6th*
the energy of a photocopier. For extra power
efficiency, the EZ591U features an ECO Mode
to minimize electricity consumption without
compromising print quality. After a specified
time in idle, the machine automatically enters
into sleep mode, reducing power consumption
by half; to just about 5W. Auto Power-OFF Mode
turns the power off.
*When compared with a 1500W photocopier or multifunction printer.
Number of prints made
Take Control
Versatility Supports Cost Management
Bring specialty paper stock jobs in-house to
avoid the costs of outsourced printing. The
EZ591U accepts multiple paper stocks; such
as newsprint, construction paper, envelopes,
postcards, and recycled paper. It handles legal
size as well. At 130 impressions per minute,
you can double or even triple printing output
without increasing printing costs.
Economic Printing
Further savings can be realized when using
the Ink Saving Mode to reduce ink usage when
printing drafts or proofs.
Reduce Paper Consumption
Print multiple copies onto one sheet of paper
by using the layout migration feature, 2UP and
Multi UP Print functions.
Enhanced Printing
Customize to Optimize
Ease of Use
The EZ591U allows you to print from a wide variety of original formats. Multiple features
help improve printing productivity and output.
The EZ591U is easy to connect to a PC. Using a USB cable, users can print original data
directly from the PC or a USB flash drive for extra-clear results. An optional card is
available for network connectivity (RISO Network Card).
Optimize Your Output
For optimal output, the EZ591U features four
preset Image Processing Modes: Line, Photo
Duo (line/photo/shadow
off), and Pencil (darker/
Clearer Photos
An original photo with ill-defined contrast can
be adjusted to print with greater clarity by using
the Contrast Adjustment Function.
Ideal Tone Curve
It’s easy to make tone curve adjustments by
selecting -1, 0, +1 on the large LCD touch panel.
Operation of the RISO EZ591U is intuitive; just follow the instructions displayed on the
large interactive touch panel.
Note: Only applicable when using Photo, Duo or Pencil Image
Processing Mode.
Convenient Master Disposal Only from RISO
The intuitive design makes it easy to dispose of
used masters; the drawer-like box pulls out and
a vertical turn and a twist of the wrist allow easy
disposal of the used master.
Gradation Made Easy
Reproduce photos and images with smoother,
improved gradation with the Tone Smoothing
*Printer Driver Function
Tone smoothing ON (145 gradations)
Tone smoothing OFF (73 gradations)
Screen-covered Frequency:
71-lpi band at initial setting
Smart Design
Note: Only applicable when dot processing is selected.
Increase the Retention Rate of Your
Spot-color enhances the appeal of your
document. The print cylinder is easily removed
from the main unit and replaced with the color
of your choice. RISO has a wide variety of color
inks (18 Standard and 62 Special Edition) as well
as the capability to order Custom Colors.
Interactive Editing
With a touch screen stylus, just point to an area
of the photo or image on the large LCD touch
panel to specify the desired area for separation
and spot color printing. The display image can
also be enlarged to edit with finer detail.
Instant Recall
Speed up your workflow by assigning frequently
used functions to the Direct Access Area of the
easy-to-use LCD touch panel.
Direct Access Area
Note: Only applicable when using Photo Image Processing Mode.
Speed to Print
Engineered to Last
Only from RISO
The EZ591U can print up to a maximum of 130 pages per minute. That’s over 1,000 pages
in only eight minutes.
Time required to print 1,000 pages
25 minutes
B&W Photocopiers/Laser Printers
8 minutes
Note: Approximately three times faster than a photocopier or multifunction printer when compared with a 40ppm photocopier or MFP.
Direct Printing from USB Flash Drive
Even when the EZ591U is not connected to the
network, you have the ability to communicate
directly with the machine via the USB slot.
Simply insert a USB flash drive containing the
digital data and retrieve
the data from the
operation panel to print.
Direct printing not only
saves time, it improves
Document Storage Card Option
An optional Document Storage Card DM-512CF
is great for saving frequently used data, such as
templates and forms.
Enhanced Efficiency
Remote Network Access *
Send data and printer settings remotely by
connecting the EZ591U to your computer
network. The design of the printer driver used
for this purpose is based on that used for the
acclaimed RZ10 series.
*Requires optional RISO Network Card.
Only from RISO
Original document
PC data
USB flash drive data
Paper Output Mechanism Neatly Stacks
Paper at High Speed
The paper ejection mechanism with the
V-shaped configuration
of the paper receiving
tray, neatly cascade
and stack jobs for
simple removal thereby
enhancing productivity.
With an impressive monthly duty cycle and 130 impressions per minute the RISO EZ591U
is designed to handle a range of high-volume printing needs. The machine has been
rigorously tested to ensure compliance with these requirements (1,000,000 copy testing).
Additional Features
Green Is More Than Just a Color
RISO duplicators consume 1/6th* the energy
required to run multifunction printers. Features
like Auto Power OFF, Auto Sleep Modes, and
the ability to print on recycled stocks with soybased ink make the EZ591U an environmentally
friendly printing choice.
RISO EZ series models are
ENERGY STAR certified, meeting
a high standard for energyefficient output devices.
Protect Your Information
The EZ591U User Management System allows
you to set up new user groups, rename, disable,
limit usage, and receive usage reports*, giving
you control of your printing and budgeting
needs. There is also a Confidential Mode that
prevents the unauthorized reprint of previously
created masters.
*RISO NETWORK CARD is required.
Only from RISO
RISO i Quality System
The RISO i Quality System delivers a large
number of quality and convenience benefits.
Among them are:
- Automatic assurance of optimum print
- Prevention of operator error
- Warning of shortages in remaining ink/
master volume
- Minimized paper waste
The RISO i Quality System enables easy
monitoring of the status of consumables. Simply
press the i info button on the Basic Screen for a
graphic display of remaining consumables.
Printing prohibited Enter code number Printing permitted
Insert USB flash drive
*When compared with a 1500W photocopier or multifunction printer.
B&W Photocopiers/Laser Printers
Feed side
Output side
4. Flat bed scanner
1. PC interface
2. Master disposal box
3. Paper feed tray
5. Ink cartridge cap holder
6. Easy ink setting
9. USB flash print
7. Slide-out master-making unit
8. Lightweight print cylinder
10. Paper receiving tray
11. Paper arrangers
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