Resources
Plotters Manufactured in Tchechoslovakia
Ulrich Zander’s page
Connecting to ZX Spectrum
Plottercontroller
Some programs
Grafická Jednotka XY 4140 plotter was intended to be used with Robotron KC87 machine. See also an experiment to draw an SVG picture using this setup.
Documents
Internals
Motherboard
Power Supply Transformer
Motors
Both motors used to move the pen and the paper are exactly the same.
Paper Holder Tray
Pen Trolley
Data Cable
Reassembly
