Thermal Printer; Basic Specification; Thermal Head; Thermal Head Composition - ELCOM EURO-2500 Service Manual

© Elcom s. r. o.
3.1 Basic specification 3.1 Basic specification
Model
Printing method
Dots per row
Usable dots per row
Print density
Top printing speed
Printing width
Tape feed step
Temperature scanning
Head position detection
Paper tape presence detection
Operating voltages:
- logic circuits
- performance circuits
Power taken from source
Head (VH)
Motor (VH)
Logic circuits (VCC)
Operating temperature range
Storage temperature range
Lifespan
Paper feed force
Paper hold force
Dimensions
Weight

3.2 Thermal head

3.2 Thermal head

3.2.1 Thermal head composition

3.2.1 Thermal head composition
As shown in the picture, the thermal head consist of thermal elements and head controller that manipulates individual
thermal elements. The printing data (DPR), synchroni-
sed with the clock signal (PRNCLK) are moved into the
shift register and recorded into the latch register using
Euro 2500
TX

3 Thermal printer

SEIKO LTP2W42
Thermal dot printing
864 dots
784 dots
8 dots/mm
75 mm/s
2 × 54 mm
0.125 mm
using thermistor
using mechanical trigger
photosensitive sensor
VCC – 5 V ± 5 %
VH – 24 V ± 5 %
6.4 A (50 % print density)
max. 0.5 A
max. 0.1 A
0 – 50 ° C
– 20 – 60 ° C
10⁸ impulses or 50 km of tape
0.98 N or more
0.98 N or more
174 (W) × 62.4 (L) × 27 (D) mm
250 g
Block 6
Vp
Thermal unit
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Fig. 3.1: Thermal printing head composition
Block 5 Block 4
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Service manual
Block 3 Block 2 Block 1