Scantron OpScan 4ES Operator's Manual page 193

Operator's Guide
• Remove the new cartridge from the box and
peel off the tape that covers the ink cartridge
nozzles.
• Be careful to not touch the cartridge contacts
with your fingers.
4.
Install the new cartridge.
Slide the cartridge into the cartridge holder "feet
first" then press the top of the cartridge firmly into
the cartridge holder until you feel two clicks. This
ensures that the cartridge is fully seated.
Chapter : Transport Printer
Installing or Replacing Ink Cartridges
173