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Users Manual - Page 4
... from Windows applications 48 Accessing the printer driver from the Start menu 50 Changing the printer driver settings 51 Printer Driver Settings Overview 52 Printer settings 52 Monitoring settings 55 Setting Utility 55 Using EPSON Status Monitor 3 55 Installing EPSON Status Monitor 3 56 Setting up EPSON Status Monitor 3 56 Accessing EPSON Status Monitor 3 58 Using Bi-D Adjustment 59...
Users Manual - Page 5
LQ-780/LQ-780N User's Guide
Setting for the clients 65 Cancelling Printing 69 Uninstalling the Printer Software 70
Uninstalling the printer driver and EPSON Status Monitor 3 70
Chapter 4 Troubleshooting
Checking the Printer Status 73 Using the Error Indicators 73
Problems and Solutions 74 Power supply problems 75 Printing 75 Paper Handling 79
Correcting USB Problems 81 Clearing a Paper ...
Users Manual - Page 7
... Manual 7
LQ-780/LQ-780N User's Guide
About This Manual
Where to Find Information
The following operating system. Although there may be slight differences depending on the model and situation.
❏ Illustrations of operation is used in this manual are from Windows 10 unless otherwise specified. Start Here (paper manual) Provides information on management and printer settings...
Users Manual - Page 36
... function to change the default settings. Then open the sprocket covers of the printer and into the standby position, press the Load/Eject button.
LQ-780/LQ-780N User's Guide
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After you can adjust the tear off position using the tear off mode and select the appropriate page length for instructions on the auto tear off...
Users Manual - Page 47
... want to reinstall or upgrade the printer driver, uninstall the printer driver that appear in this manual are using. Note: ❏ Before proceeding, make apply to all your computer described in ESC/P2 mode. ❏ When you wish to install EPSON Status Monitor 3, see "Installing EPSON Status Monitor 3" on page 48 for instructions. LQ-780/LQ-780N User's Guide
Chapter 3
Printer Software...
Users Manual - Page 56
... installed the printer driver on -screen instructions to the computer in the following. This problem can print to the printer directly connected to install the software. Note: Before proceeding, make sure you can be displayed when monitoring printers at the same time.
❏ Although you have not installed EPSON Status Monitor 3 yet, follow the steps below to set...
Users Manual - Page 62
... display additional printer default settings, select Setting from the menu at the top of the Printer Setting window, and then select Show Expansion Setting.... The Printer Setting windows appears.
2. We recommend contacting a technical expert if you need to the printer driver Help. Printer Software 62 For details on page 47. LQ-780/LQ-780N User's Guide 1. To find out how...
Users Manual - Page 65
... Windows Firewall in each client. ❏ If the printer drivers are not already installed on the left . 4. Setting for assistance. ❏ This section describes how to install the printer driver by accessing the shared printer on the Windows desktop. ❏ When you want to use the EPSON Status Monitor 3 at clients, you cannot access the shared...
Users Manual - Page 69
... driver installed in "Setting for the clients" on page 65. ❏ If EPSON Status Monitor 3 is displayed on the taskbar, follow the on (recommended), the shared printer may need to use EPSON Status Monitor 3 for the shared printer, reinstall the printer driver as
instructed in which the printer driver for the clients" on the task bar. LQ-780/LQ-780N User's Guide...
Users Manual - Page 70
...LQ-780/LQ-780N User's Guide 2. Printer Software 70
You can remove the icon by clearing the Shortcut Icon check box in the Monitoring Preferences dialog box. Uninstalling the printer driver and EPSON...reinstall or upgrade the printer driver, uninstall the printer driver that has been installed already. When cancelling all running applications. Note: When uninstalling EPSON Status Monitor...
Users Manual - Page 77
... setting using the printer's Default Setting mode so that the printer automatically adds a line feed code to have the print head replaced. The printout has extra blank lines between lines of text. LQ-780/LQ-780N User's Guide
The paper is faint.
Replace the ribbon cartridge as described in random positions.
Caution: Never replace the print head yourself; Also, other parts...
Users Manual - Page 79
... want to use are not selected in your application or printer driver does not match the size of the paper you want to do not feed properly
Paper does not feed.
LQ-780/LQ-780N User's Guide
The printer's page length setting for the rear tractor does not match the size of the continuous paper you...
Users Manual - Page 93
...://support.epson.net/ https://www.epson.eu/Support (Europe) If your Epson product is not listed below . If Epson support for assistance.
LQ-780/LQ-780N User's Guide
Chapter 5
Where To Get Help
Technical Support Web Site
If you need further help you much more quickly if you cannot solve the problem using the troubleshooting information in the product software.) ❏ Brand and model...
Users Manual - Page 94
...and product information ❏ Product usage questions or problem troubleshooting ❏ Enquiries on product specifications, drivers for backing up or recovering data and/or settings even during a warranty period. Due to contact Epson support. Epson shall not be lost. Help for Users in Vietnam
Contacts for information, support, and services are available.
We recommend that you with...
Notices and Warranty - Page 12
... may be asked to provide the product model and serial numbers, and may receive help or consult information online for recovery backup files in case of damage. Support and Extended Warranty Service In some countries, Epson offers warranty extension services.
access to the product; a safety environment for the installation, repair or maintenance of a computer "virus".
This also...
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