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Riso MZ770 - User Manual

Riso MZ770
307 pages
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Table of Contents

Questions and Answers

  • L
    Lindsay WoodardSep 10, 2025
    Why does the Riso MZ770 error message persist after closing the front cover?
    • T
      Todd GomezSep 10, 2025
      If the error message on your Riso Disc Duplicator persists even after closing the front cover, it means that the Front Cover has not been firmly closed. Completely close the Front Cover, ensuring that the magnetic latch properly engages.
  • R
    Robert RichardsAug 22, 2025
    What to do if Riso MZ770 says 'Master Disposal Box 1 is Full'?
    • C
      Catherine WashingtonAug 23, 2025
      If your Riso Disc Duplicator displays the message 'Master Disposal Box 1 is Full Empty Master Disposal Box', it indicates that the Master Disposal Box is full. You should empty the Master Disposal Box and install a new Master Roll.
  • E
    Eileen WilliamsAug 25, 2025
    How to fix master mis-feed on Riso Disc Duplicator?
    • C
      Chris MccannAug 25, 2025
      If your Riso Disc Duplicator shows 'Master Mis-Feed Pull Out Master Making Unit and Rewind Master Roll, then Reset Master in Place', it means the master is improperly installed. Pull out the Master Making Unit, rewind the master, and then reinstall it. If the leading edge of the master is wrinkled or torn, cut the edge straight and reinstall.
  • J
    jeffrey08Aug 26, 2025
    What to do if Riso MZ770 says 'Master Not Set in Place'?
    • R
      Robert LeeAug 27, 2025
      If your Riso Disc Duplicator displays the message 'Master Not Set in Place Insert Lead Edge of Master into Master Entrance and Close Master Making Unit', it indicates that the master is improperly installed or is missing. Pull out the Master Making Unit and reinstall the master. Ensure that if the leading edge of the master is wrinkled or torn, you cut the edge straight before reinstalling.
  • M
    Monique JimenezAug 27, 2025
    How to remove jammed master from Riso MZ770 disposal unit?
    • N
      Nicole NguyenAug 28, 2025
      If your Riso Disc Duplicator displays the message 'Master Jammed in Disposal Unit Pull Out Master Disposal Box 1 and Remove Jammed Master', it means that the master is jammed in the Master Disposal Unit. Pull out the Master Disposal Box and remove the jammed master. If the masters are difficult to remove, pull out the drum first, and then remove the jammed master.
  • N
    nmartinezAug 29, 2025
    Why are there vertical blank lines on Riso Disc Duplicator printed copies?
    • D
      Donna MooreAug 29, 2025
      If you find vertical blank lines on printed copies from your Riso Disc Duplicator, the Thermal Print Head of the Master Making Unit or the Scanner Glass of ADF unit has been stained with dirt, white-out, etc. Gently wipe the Thermal Print Head or Scanner Glass with a soft cloth.
  • H
    Hannah FranklinSep 18, 2025
    Why is there no image on copies from my Riso MZ770 Disc Duplicator?
    • D
      Danielle HoltSep 18, 2025
      If there is no image on copies from your Riso Disc Duplicator, the original is placed face up. Place the original face down. (This is also true for the ADF unit)
  • G
    Gina DavisSep 12, 2025
    Why is paper not feeding smoothly in my Riso MZ770 Disc Duplicator?
    • D
      daniel23Sep 12, 2025
      If paper is not smoothly fed from the Paper Feed Tray on your Riso Disc Duplicator (e.g., skipped paper or multiple-sheet feeding), the print paper is inappropriate. Use paper that falls within the recommended range.
  • D
    Deborah AtkinsonSep 8, 2025
    How to fix master disposal error on Riso MZ770 Disc Duplicator?
    • S
      Shannon HartSep 8, 2025
      If your Riso Disc Duplicator displays the message 'Master Disposal Error Pull Out Print Drum 1 and Discard Master', it means that the master was not properly discarded. Follow these steps: 1) Pull out the Print Drum and remove the master from the drum. If a master is not wrapped around the drum, check the disposal unit and remove the master. 2) Return the Print Drum in place. 3) Press the key.
  • R
    Robin GordonSep 5, 2025
    Why are printed images faint or blurred on Riso MZ770?
    • L
      leekimberlySep 5, 2025
      If printed images are faint or printed texts are blurred on your Riso Disc Duplicator, the machine may not have been used for an extended period, causing the ink on the surface of the Print Drum to dry. Printing with dried ink will produce light or faded copies. Press the key and make several copies before making copies to be actually used. Or use the “Idling Action”.

Summary

Welcome to the MZ Series Model

About This User’s Guide

Explains basic printer operations, handy tips, setup, cautions, consumables, and troubleshooting procedures.

Icons Used in This Manual

Before Starting to Use

Safety Guide - Installation

Describes precautions to be observed when installing the machine.

Safety Guide - Handling and Operation

Describes precautions to be observed when handling the machine.

Consumables

Information on recommended consumables and proper storage.

Ink Handling

Precautions for handling ink, including eye and skin contact safety.

Connection with a Computer

Instructions for connecting the machine to a computer for direct printing.

Paper Recommendations

Details usable printing paper sizes and weight restrictions.

Originals

Specifies usable original sizes and weight restrictions for various scanning methods.

Maximum Printing Areas and Margins

Details the maximum printing areas and required margins for originals.

Materials Not to Be Printed

Lists materials that should not be printed, including legal and copyright considerations.

Getting Acquainted

Function and Name of Each Part

Identifies and describes the main parts of the machine.

Optional Devices

Describes optional devices like the Auto Document Feeder AF-VI:II and DX-1.

Control Panel

Explains the functions of the control panel keys and display.

Display

Details the various screens and their stages, including basic layouts.

Basic Operations

Preparing to Print

Covers initial setup steps for printing, including turning power on and selecting modes.

Setting up the Paper Feed Tray and Loading Paper

Instructions for setting up the paper feed tray and loading paper.

Setting up the Paper Receiving Tray

Guides on setting up the paper receiving tray for proper paper output.

Basic Process

Explains the general print job flow for 2-Colour printing.

2-Colour Printing with 2 Originals

Details the process for 2-colour printing using two separate originals.

2-Colour Printing with 1 Original [Easy 2 Colour]

Explains 2-colour printing by separating colours from a single original.

Printing with 1-Colour

Instructions for printing in a single colour using either Drum 1 or Drum 2.

Printing from a Computer Data

[Direct Print]

Enables receiving and printing original data created on a computer.

Printing Computer Data

Details the steps for printing data from a computer.

Auto Process and Stop Timing

Explains automated printing steps and how to stop operations.

Changing Output Directions

Describes how to control output from Master Making/Print Basic Screens.

Changing Stop Timing

Explains how to change stop timing settings via the printer driver.

Functions for Master-Making

Selecting Image Processing Mode [Image]

Selects appropriate modes (Line, Photo, Duo, Pencil) for best master suitability.

Processing Photos with Dot Screen [Dot Process]

Applies dot screening to photo originals for clearer printing.

Adjusting Photo Contrast [Contrast Adj]

Adjusts contrast for ill-defined photos to print more clearly.

Adjusting Photo Gradation [Tone Curve]

Adjusts light and shadow portions of a photo by 3 tones.

Selecting Scanning Contrast for the Original [Contrast]

Adjusts scanning contrast for background colour or ink density.

Enlarging;Reducing Originals [Standard Ratio] [Free] [Margin+] [Zoom]

Methods to enlarge or reduce the original document.

Automatic Printing [Auto-Process]

Performs master-making and printing automatically in sequence.

Printing from Bound Documents [Book Shadow]

Erases shadows in the binding 'spine' and peripheral areas of bound documents.

Saving Ink [Ink Saving]

Makes a master that requires less ink when printing.

Printing Side-by-Side on One Sheet [2 Up] [Multi-Up Print]

Prints multiple originals on one sheet.

Original Orientation and Print Results

Shows orientation and print results based on number of images.

Enlargement;Reduction Ratio

Shows magnification/reduction ratios for Multi-Up Print.

2 Up Operation

Prints two copies of the same original side-by-side on one sheet.

Operation for Multi-Up Printing

Details how to perform multi-up printing.

Operation for Multi-Up Tickets

Specifies short edge size for printing ticket-like originals.

Switching Masters of Just One Drum [OneSide MasterMake]

Switches one of two originals to print, useful for letterheads.

Making a Master that Utilizes the Maximum Printing Area [Max. Scan]

Applies maximum printing area to scanned image, regardless of paper or original size.

Reproducing the Master [Renew Page]

Reproduces a master from stored data without rescanning.

Cutting the Top Margin of the Original and Printing [Top Margin]

Cuts the top margin of an original to skip registration marks.

Adjusting the Side Margins of the Master [Side Margin]

Offsets margins for all originals when using ADF or platen glass.

Checking the Print Image Prior to Making Master [Preview]

Previews scanned original or computer data for layout and colour separation.

Functions for Printing

Changing the Print Speed [Print Speed Adjustment]

Selects print speed from five levels, adjustable during printing.

Printing at High Speed [150 ppm]

Enables faster printing by setting the '150ppm' option.

Adjusting the Print Density [Print Density Adjustment]

Selects print density from five levels per drum, adjustable during printing.

Adjusting the Print Position [Print Position Adjustment] [1=2 Alignment]

Adjusts print position vertically and horizontally for each drum.

Adjusting the Print Position of Both Drums Together

Aligns print position of both drums simultaneously.

Printing Proof Copies [Proof]

Prints proof copies to check quality after adjustments.

Prevent Paper Jams When Using Special Paper [D-Feed Check]

Monitors for multiple paper feeds; disables check for special paper types.

Keeping Printed Copies Dry [Interval]

Extends paper ejection interval for ink drying.

Retrieving Settings from the Parameter List

Retrieves pre-configured custom settings from the parameter list.

Saving settings in the Parameter List

Saves current settings into the parameter list for easy retrieval.

Making changes to Special Paper Ctrl Setting

Modifies parameters for Paper Feed Adj. and Paper Eject Adj.

Clearing Special Paper Ctrl Settings

Deletes registered settings from the Special Paper Ctrl.

Advanced Features

Automatic Sorting Into Groups [Programme]

Divides originals into groups to print different numbers of copies or sets.

How to Programme Print

Explains how to print in sets using the 'Programme' feature.

Setting Up for Programmed Printing

Details how to set up programmed printing using touch screen and quantity keys.

Saving Programmes

Stores frequently-used Programme settings for later retrieval.

Renaming a Programme

Changes programme names to better describe their usage or purpose.

Clearing Programmes

Deletes programmed settings.

Retrieving a Programme

Retrieves a stored programme and modifies its settings.

Making changes to Stored Programmes

Modifies number of copies or sets in stored programmes.

Programming Example

An example of using Easy 2Colour and Programme together.

Using Job Memory Functions [Job Memory]

Saves print job settings into Job Memory for later retrieval.

Storing Job Memory

Stores print job settings into Job Memory.

Renaming a Job Memory

Changes the name of a stored job memory.

Clearing Job Memory

Deletes stored job memory settings.

Retrieving a Job Memory and Printing

Retrieves stored job settings and prints.

Extending the Reserve Period [Reservation]

Extends the inactive period to prevent job interruption.

Idling Action [Idling Action]

Performs idling action before master-making for high print quality.

Protecting Confidential Documents [Confidential]

Discards masters to prevent unauthorized reproduction of confidential documents.

Selecting Scanning Sides When Using the Auto Document Feeder DX-1 [Scanning Side -ADF]

Selects scanning sides (Front, Back, Duplex) for the ADF DX-1.

Specifying the Scanning Side

Specifies scanning side options like Simplex, Duplex, and Paging Direction.

Showing Usage Status [Digital Copy Count]

Displays information on printed copies and master counts.

Rotating the Original 180 Degrees to Make a Master [Rotate]

Rotates original data received from a computer by 180 degrees for master making.

Proof and Print (with the Optional ADF unit installed) [ADF Semi-Auto]

Allows checking proof copies and adjustments before creating the next master.

Changing Default Settings [Admin.]

Modifies default settings to suit user needs.

Setting Up Direct Access Area and Selections Tab [DirectAccess Entry] [Selections Entry]

Places frequently-accessed functions on Basic or Selections screens for quick access.

Registering a Custom Paper Size [Custom Paper Entry]

Enters paper dimensions for non-standard sizes into memory.

Deleting a Custom Paper Size

Deletes registered custom paper sizes.

Keeping Masters Secure After Printing

Protects confidential documents by discarding masters after printing.

Storage and Scan Modes (Option)

Features for saving original data to memory and scanning.

Converting Hard-copy to Stored Data (Scan Mode)

Saves scanned hard-copy originals as storage data.

Scanning an Original for 1-Colour Printing

Scans an original for 1-colour printing and stores it.

Scanning Originals (2) for 2-Colour Printing

Scans originals from Drum 1 and Drum 2 for 2-colour printing storage.

Setting Data Information

Configures data name, save location, and owner name for scanned data.

Specifying Paper Size

Specifies the size to which the scanned original will be saved.

Retrieving Stored Data and Printing [Storage Memory]

Retrieves stored data and prints it, offering options for page selection.

Overlaying Storage Data onto a 1-Colour Print Job [Overlay]

Overlays stored data onto a hard-copy original during 1-colour printing.

2-Colour Printing with the Original and Storage Data [Stamp]

Creates masters from original and storage data for 2-colour printing.

Changing the Stamp Data

Changes the storage data used as a stamp.

Deleting a Stamp Data

Deletes registered stamp data.

When using a Linked Printer (sold separately)

Covers print functions and operations when using a linked printer.

Using Optional Functions on a Linked Printer

Sets up optional functions like sorter or duplex unit on a linked printer.

Duplex Printing [Duplex]

Enables double-sided printing when a Duplex Unit is installed.

Replacing Consumables

Check for Remaining Amount of Consumables

Checks and reports remaining ink, master, and disposal box space.

Replacing the Master Roll

Procedure for replacing the master roll when depleted.

Replacing the Ink Cartridge

Instructions for replacing the ink cartridge when ink is depleted.

Emptying the Master Disposal Box

Discards used masters from the master disposal box.

Replacing the Print Drum

Steps to remove and replace the print drum.

Disposal of Depleted Consumables

Procedures for proper disposal of ink cartridges, master cores, and masters.

Maintenance

Cleaning

Steps for periodic cleaning of machine parts to maintain print quality.

Troubleshooting

When a Message Displays

Information to determine causes and actions for machine messages.

Pop-Up Message Layout

Explains the layout and components of pop-up messages.

Consumable Information Screen

Screen displayed when consumable information is not proper.

Appendix

Optional Accessories

Lists optional accessories to enhance machine capabilities.

Specifications

Technical specifications for the RISO MZ970 and MZ770 models.

To Administrator

Canceling the Protect Setting

Procedure for canceling the 'Protect' setting, to be done by an administrator.

Riso MZ770 Specifications

General IconGeneral
BrandRiso
ModelMZ770
CategoryDisc Duplicator
LanguageEnglish

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