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System Requirements
Windows 11/Windows 10 (32-bit, 64-bit)/Windows 8.1 (32-bit, 64-bit)/Windows 8 (32-bit, 64-bit)/
Windows 7 (32-bit, 64-bit)/Windows Vista (32-bit, 64-bit)/Windows XP SP3 or later (32-bit)/
Windows XP Professional x64 Edition SP2 or later/Windows Server 2022/Windows Server 2019/
Windows Server 2016/Windows Server 2012 R2/Windows Server 2012/Windows Server 2008 R2/
Windows Server 2008/Windows Server 2003 R2/Windows Server 2003 SP2 or later
Standards and Approvals
Warning:
!
❏ This is a Class A product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures.
❏ The connection of a non-shielded printer interface cable to this printer will invalidate the
EMC standards of this device.
❏ You are cautioned that changes or modifications not expressly approved by Seiko Epson
Corporation could void your authority to operate the equipment.
Safety approvals
Safety
A:
The minimum top margin is 4.2 mm
(0.17 inch).
B:
The minimum left margin is 3.0 mm
(0.12 inch).
The minimum right margin is 3.0 mm
(0.12 inch).
The maximum printable width is
269.24 mm (10.6 inches).
IEC60950-1, IEC62368-1
LQ-780/LQ-780N
User's Guide
Product Information
121
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