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For speed and ease, you can run the MZ 7 series as a single-color printer to output simple documents that don't need the extra impact of a second color.
When you want to produce documents with the power and impact that two colors bring, the MZ 7 series is the easy efficient answer offering two-color printing at a single pass.

600 dpi scanning
The scanner boasts 600 dpi resolution to ensure that even the finest details are clearly picked up and transmitted to the master-making section.
Super-fine printing
600 dpi perforation density on the master and unique RISO image management technology result in beautiful output quality with smoother lines, finer gradations for photos and even tiny typefaces clearly legible.
Ultra high-speed output
A maximum print speed of 150 ppm gets you to the end of even the longest print job in an astonishingly short time, taking less than seven minutes to print 1,000 pages.
Lightweight, front loading print drums
Thanks to front loading design and print drums lighter than ever before, swapping a print drum for one of a different color is a simple operation everybody can quickly and easily carry out.
Easy ink setting
Changing the ink bottle is also quick and easy with front panel access: simply insert the ink bottle and twist into place.
Slide-out master unit
The side-mounted master unit slides out like a drawer for fast, simple replacement of the master roll. Just remove the old one and drop a fresh one into place, and you're ready to go.
MZ 770 Operation Panel
570 peration Panel
Bright, easy-view screen with convenient touchpanel operation
The large, bright screen was developed to provide clear, at-a-glance viewing of functions, and even a preview of how your document will look after printing. Menus are logically grouped: simply step through the various function menus displayed on the touchpanel until you reach the one you want. Better still, you can even place your most-frequently used functions on the top screen and customize the panel layout.
"Easy 2-color" for simplified master-making
The MZ 7 series features "easy 2-color"-a process that not only makes it easy to create 2-color masters, you even get a choice of how to do it so you can select the method that's easiest for you or most suitable for any particular print job.

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RISO Editor
With the RISO Editor, you can quickly and directly specify
which areas should be in which of the two colors, and even
move individual blocks of text, photos or illustrations for
precise placement to enhance the look of
your finished document.
Preview mode
With preview, you can view your document on the touchpanel exactly as it will appear when printed, giving you the opportunity for a final check to ensure it is precisely how you want it.
Line/photo/duo/pencil modes
Select from line, photo, duo or pencil modes. Line mode is best for text-only documents, photo mode is better for photos or illustrations, duo mode gives the best results for documents that are a mix of text and photos, while pencil mode is optimized for illustrations that are drawn in pencil.

Standard mode is the basic setting designed to give excellent results with the majority of photographs.

Portrait mode is optimized to give clear gradations of skin tones, resulting in superbly lifelike output.

This mode uses a special algorithm to clearly show faces in group photos, so subjects can easily pick themselves out.

Often, illustrations drawn in pencil fail to scan cleanly. Pencil mode is optimized to clearly scan and print such illustrations to assure you of superb results.
If you wish to print a letterhead on a document, simply recall the data and it is then automatically overlaid on the master at the same time as the scanned document.
Store your most frequently-used document hold item on a dedicated page of the touchscreen. Then a single touch immediately accesses and prints the item in the second color.
Note: Optional Document Storage Card DM-128CF is required for Document storage, Overlay, and Stamp function.
Data from a PC
If you are creating your color original on a PC, the included printer driver software automatically separates the colors into two when you send the data to the printer. Dual-tone color printing is also available.
Remote monitoring
You can conveniently monitor a networked printer's condition from your PC. Data displayed includes loaded ink colors,remaining master supply, paper loaded, and much more.
Note: For networking, the optional RISORINC NET network card is required.

RISO i Quality system
RISO i Quality systemTM offers a large number of quality and convenience benefits. Among them are:
Automatic assurance of optimum print quality.
Prevention of operator error.
Warning of shortages in remaining ink/master volume.
Minimized paper waste.
The RISO i Quality mark indicates
a RISO product compatible
with the RISO i Quality System.

I-Quality system white paper

Master-making/printing methods High-speed digital master-making/fully automatic stencil printing
Resolution Scanning resolution : 600dpi x 600dpi
Print image resolution : 300dpi x 600dpi
  (600dpi x 600dpi : Perforation density on the master)
Original Type Book, sheet
Original Size (max./min.)  When using the Stage Glass : 50mm x 90mm - 297mm x 420mm
When using the ADF unit (option) : 90mm x 140mm - 297mm x 420mm
Original Paper Weight  When using the Stage Glass : 10kg or less
When using the ADF unit (option) : 50g/m2 - 128g/m2
Print Paper Size (max./min.) When simultaneously 2-Color printing : 182mm x 257mm - 297mm x 432mm
When 1-Color printing (using Cylinder (Drum) 1) : 100mm x 148mm - 297mm x 432mm
When 1-Color printing (using Cylinder (Drum) 2) : 182mm x 257mm - 297mm x 432mm
Paper Supply Capacity 1000 sheets (64g/m2)
Print Paper Weight 46g/m2 - 210g/m2
Image Processing Mode Line, Photo, Duo, Pencil
Master making Time
(for A4/portrait/100% reproduction ratio)
Approx. 57 seconds (for dual-color print)
Approx. 24 seconds (for single-color print (Cylinder (Drum) 1))
Approx. 34 seconds (for single-color print (Cylinder (Drum) 2))
Printing Area (max.) 291mm x 413mm
Print Reproduction Ratio Zoom : 50 - 200%
Standard reproduction ratio (enlargement) : 163%, 141%, 122%, 116%
Standard reproduction ratio (reduction) : 87%, 82%, 71%, 61%
Margin+ : 90-99%
Print Speed Approx. 60 - 150 pages per minute
Print Position Adjustment Vertical : ±15mm  "Horizontal" : ±10mm
Ink Supply Fully automatic (1000 ml per cartridge)
Master Supply/Disposal Fully automatic (approx. 215 sheets per roll)
Master Disposal Capacity 80 sheets
User Interface LCD touch sensitive panel with Progress Arrow indicators, front-side operation
Power Source 100-120V/220V-240V AC, 50/60Hz <7.3/3.0A>
Dimensions without stand  When in use : 1625mm(W) x 735mm(D) x 740mm(H)
When in storage : 1005mm(W) x 735mm(D) x 740mm(H)
Weight without stand Approx. 168kg
* Specifications are subject to change without notice. Details may vary depending on the region.

Product Spec Sheets