How to refill a Rapidograph pen?
Use rOtring Rapidograph capillary cartridges only.
How to refill an Isograph pen?
Tap any remaining out of the tip (tip pointing upwards) before refilling the pen. Shake gently the pen before the use.
Maintenance advice for technical pens
To store, seal with cap and lay horizontally or put in Pen-Station.
When cleaning Isograph, Pull/twist off the push-on sleeve (if sleeve is stuck tight, use extractor in cap)
After cleaning, rinse all components with clean water and dry carefully.
Never disassemble the drawing nib as this will void the warranty.
Designdirect established in 1975 have many years experience in supplying techincal pens such as Rotring & Staedtler – have a look at our range online…