Thermal Printer C-56
Part No. 2 684 019 Rev. No. 4310715 eli page 7 of 17
3.0 Layout and Function
All modules of the C-56 thermal printer mechanism are delivered in operating condition. After connecting the
printer to a USB 1.1 or 2.0 port on the host system (PC) and to a properly rated 24 VDC or 12 VDC power supply
(depending upon the model), and installing the driver software (if needed), the printer is ready for operation.
This thermal printer is a built-in module to be operated only as part of an overall system like e.g.
a vending application. Please, also consider the storage and operating conditions (see also
under chapter 6 - Technical Data).
3.1 Structure of the C-56 Thermal Printer
Fig.1 Thermal printer, front view left hand
The C-56 Thermal Printer is composed of three main units: thermal printer with integrated Controller, basic unit
with paper tray and two hinge pins, and an eject chute supported by the basic unit. These hinge pins secure the
printer mechanism on the basic unit. If both hinge pins are retracted in part, the printer mechanism can be re -
moved. If only one hinge pin is retracted, the printer mechanism can be pivoted around the remaining hinge pin.
The Eject Chute is provided with guides that engage in the basic unit firmly and with high dimensional accuracy.
The paper roll lies in the paper tray loosely. The sensitive side of the thermal paper must be outside or be
directed upward.
Note: A shorter Eject Chute is also available for OEM applications. When this shorter chute is
used, an external, customer-supplied shroud must be used! Failure to use this shroud will
cause increased paper jams. Contact Hengstler for details of the shroud design.
In Fig. 1, the protective plastic cover has been removed (also see Fig. 2) to provide a view of the
controller board. But for operation, this plastic cover must be in place.
USB or RS232 Interface,
DC power connector on controller board
Thermal printer mechanism
Hinge pin
Thermal paper roll
Mounting holes
Eject chute
Base unit with paper tray
Optional Paper Pre-End
Sensor connection
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