ELCOM Euro-2500 Series, Руководство по обслуживанию

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© Elcom s. r. o. Service manual
Euro 2500
TX
31
3.5.2 Stepping motors’ connectors 3.5.2 Stepping motors’ connectors
3.5.3 Sensors’ connectors 3.5.3 Sensors’ connectors
3.6 Cleaning the thermal head 3.6 Cleaning the thermal head
1. Use the blue lever to lift up the thermal head into upper position so it will be separated from the cylinder.
2. Dip a cotton swab in alcohol (ethanol) and clean the head using the swab.
3. When the alcohol evaporates completely, place the head into printing position using the blue lever.
Warning:
1. Never clean the printing head immediately after printing as it may be still hot.
2. Do not use sandpaper, scissors, or any other sharp objects to clean the printing head to avoid damage to the printer
head.
3.7 Paper tape cutter 3.7 Paper tape cutter
The paper tape cutter is an optional accessory to the printer. This device requires no special maintenance.
Tab. 3.5: Thermal head connector pins’ description (cntd.)
Pin # Pin desc. Function
1 Phase B (direct signal) Step motor control signal
2 Phase A (direct signal) Step motor control signal
3 Phase B (negated signal) Step motor control signal
4 Phase A (negated signal) Step motor control signal
Tab. 3.6: Description of the stepping motors’ connectors (the phase of
the motors are interchanged)
Fig. 3.7: Stepping motor
connector
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Fig. 3.8: Sensors’ connector connexion Fig. 3.9: Sensors’ connector
Pin # Pin desc. Function
1 VLED LED photosensor anode input
2 PS Photosensor output
3 GND GND
4 GND GND
5 HS Head position sensor output
Tab. 3.7: Description of pins for the sensors’ connector (left connector doesn’t contain wires
4 and 5)
Pin # Pin desc. Function
11 STB2 Activation signal for second half od thermal elements
12 P-LATCH Latching signal input
13 PRNCLK Printer clock signal input
14 DPR Serial data input
15 VH +24V
16 VH +24V