Resources

User Manual (Homecomputer DDR)
Plotters Manufactured in Tchechoslovakia
Ulrich Zander’s page
Connecting to ZX Spectrum
Plottercontroller
Some programs

This plotter was intended to be used with Robotron KC87 machine. See also an experiment to draw an SVG picture using this setup.

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