Okidata Microline 520 Service Handbook
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Brand: OKIDATA
Category: Printer
Type: Service handbook
Model: OKIDATA Microline 520 , OKIDATA Microline 521
Pages: 321
2.1.08 Power Supply Circuit
The switching type power supply circuit supplies the +5 vdc, +/-8 vdc, 10 VAC and +40 vdc.
Table of Output Voltages
Voltage / Signal Purpose
+5 vdc IC logic levels, LED drive voltages
+8 vdc Serial interface line voltage, comparator IC
+10 VAC Serial interface line voltage and the printhead analog circuit
+40 vdc Printhead, space motor and line feed motor drive voltage
2-1-08.tif
Principles of Operation 2 - 16 Microline 520/521 Service Handbook
P/N 59257803