Basic Handling Methods
Basic Information
Part Names and Functions
Object to Be Printed On
Features of Inks
Menu List
Basic Operations
Power Supply Operations
Checks before Operations
Output Method
Printing Operations
Printing method
Pausing and Canceling Printing
Optimizing Quality and Efficiency
Optimizing the Setup Method
Suction Function Setting
Adjusting the Height
Print Area Settings
Optimizing the Printing Quality
Using the Correction Functions
Preventing Ink Discharge Defects
Improving Ink Adhesion
Optimizing Work Efficiency
Using the Preset Function
Reducing Print Time
Reducing Paper Used during Printing Tests
Optimizing Head Refreshing Work When Using Jigs
Optimizing Operation Management
Managing the Operations Appropriately and Efficiently
Managing the Basic Settings of the Printer
Maintenance
Introduction
Important Notes on Handling and Use
Basic Maintenance Knowledge
Regular Maintenance
Cleaning the Machine
Replacing Ink Cartridges
Disposing of Discharged Fluid
Maintenance That Must Be Performed Daily
When Normal Cleaning Is Not Effective
Manual Cleaning
Cleaning That Must Be Performed Once a Month or More
Advanced Maintenance
Restoring the White Ink Concentration
Handling Severe Dot Drop-out
Replacing Consumable Parts and Products
How to Replace Consumable Parts
Inquiries for Consumable Parts and Products
Troubleshooting Methods
Print Quality Problems
Printed Results Are Coarse or Contain Horizontal Stripes
The Object to be Printed on Becomes Soiled When Printed
Colors Are Unstable or Uneven
Machine Problems
The Print Heads Do Not Move
The Printer Unit Does Not Run
The Flat Table Does Not Move
The Head Gap Sensor Does Not Detect the Object to Be Printed on
It Is Not Possible to Check the Amount of Discharged Fluid in the Drain Bottle
Messages on the Operation Panel
Messages
Error Messages
Appendix
How to Connect External Devices
Connecting and Removing External Devices
Operations When Moving the Unit
Moving the Unit
Main Specifications
Dimensional Drawings
Locations of the Power Rating and Serial Number Label
Specifications and Diagrams for the External Expansion Terminal
MEMO
Index
Search
Home
Troubleshooting Methods
Machine Problems
The Printer Unit Does Not Run
Are the cables connected?
Are the cables connected?
Connect the cables securely.
RELATED LINKS
LEF2-300 Setup Guide (https://webmanual.rolanddg.com/LEF2-300)
Troubleshooting Methods
Print Quality Problems
Machine Problems
The Print Heads Do Not Move
The Printer Unit Does Not Run
Is the power switched on?
Is SETUP lit?
Are any covers open?
Is the top menu displayed?
Is PAUSE lit?
Has the ink run out?
Is a message displayed on the screen?
Are the cables connected?
Is the status LED for the LAN cable connector lit in green?
Are the LAN settings correct?
Did the software RIP end abnormally?
Is the temperature of the room too low?
The Flat Table Does Not Move
The Head Gap Sensor Does Not Detect the Object to Be Printed on
It Is Not Possible to Check the Amount of Discharged Fluid in the Drain Bottle
Messages on the Operation Panel