Epson TM-C3500 Series Developer's Guide

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Paper Loading Detection
This printer is equipped with a paper loading detection function. This section describes detection
methods and paper limitations.
Detection Methods
Black Mark Detection
Sensors are positioned facing the backside of the paper to detect paper loading from the optical
reflectance of the paper.
(The black mark reflectance rate must be 10% or lower, and the white reflectance rate must be
70% or higher.)
In order to accurately detect black marks, use paper having black marks printed at the positions
indicated for each black mark of the paper specifications.
Gap Detection
Transmission-type sensors are positioned along the paper path to detect paper loading from
differences in the light transmission rates between the backing paper and labels.
(The light transmission rate of the backing label must be 40% or more and that of the label
must be 23% or less.)
Light transmission rate: Light transmission rate (%) = Light transmission amount/Amount of
irradiation light x 100

Epson TM-C3500 Series Specifications

General

Print Technology	Inkjet
Print Resolution	Up to 720 x 360 dpi
Ink Type	Pigment-based ink
Interface	USB 2.0, Ethernet
Media Handling	Roll paper
Operating System Support	Windows, Mac OS
Dimensions	310 x 283 x 261 mm
Weight	Approx. 12 kg
Media Width	30 to 112 mm
Media Type	Synthetic
Cutter	Auto cutter
Ink Cartridges	Individual ink cartridges (cyan, magenta, yellow, black)
Print Speed	Up to 103 mm/sec