Scantron iNSIGHT 30 Operator's Manual page 126

Operator's Guide
5.
Raise the locking bar.
Locking Bar
6.
Remove the ink cartridge, if one is present.
7.
Squeeze the metal strips on the connector and pull the
connector away from the ink cartridge carrier.
Chapter 5: Using the Document Printer
Replacing the Ink Cartridge Carrier
Ink Cartrigde
Connector
113