Contex HD5450 User Manual page 60

Trouble Shooting
Accessing the smart card on scanner models:
Remove the scanner's right side cover. The Smart Card is placed in the card insertion slot above the scanner interface
Insert your thumb in the slot at the top of the interface cover. Push
down to snap the lid open.
connectors.
Remove the interface cover with both hands.
Smart Card is inserted in its slot above
the interface connections
The cover must always be closed before you turn the scanner ON.
HD5450, HD4250, HD4230, HD3650, HD3630:
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