Sequoia
Voting
Systems
Commissioners of Elections
William Scriber and Donald Wart
System Orientation and Overview
ImageCast Voting System
and Ballot Marking Device
Ballot Marking Device
The ImageCast voting system includes a Ballot
Marking device (BMD)
 A device used to create a human-readable voted paper
ballot through an electronic interface
 The interface must comply with the ADA requirements
of HAVA.
 In other words, the system must produce a paper ballot
through an audio, sip & puff, etc. interface that reflects
the voter’s selections.
General Requirements
 One BMD per Polling Place in each County
 BMD must have a display screen that matches the
paper ballot
 BMD must produce a human and machine
readable ballot
 All tabulation functionality must be disabled—all
ballots hand tabulated
Dominion ImageCast Voting System
Privacy
Panel
LCD Display
Screen
Adjustable
Swivel Arm
Ballot Marker
Table
Audio-Tactile
Interface (ATI)
Ballot Printer
ImageCast
Precinct
Tabulator
Ballot Box
ImageCast Physical Overview
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Stand-alone System
LCD Display Screen
Audio-Tactile Interface
Ballot Printer
Precinct Counter/Tabulator
Ballot Box and Compartments
BMD
BMD Audio Tactile Interface (ATI)
 ATI and headphones
 Additional Interfaces
 Sip and Puff
 Rocker Paddle
Ballot is Printed “on demand”
Using the ImageCast Counter
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BMD-printed ballot is inserted into Counter
Voter’s choices may be read back
Voter may “spoil” a ballot
Voter may receive warnings
 Undervote
 Blank Ballot
 Voter approves and casts ballot
 Ballot is counted*
*ImageCast Public Counter increments by 1