of the carousel beneath the automated needle cap extractor or inverted vial when stopped a syringe is positioned below the needle cap extractor when stopped a filled syringe may also be positioned in a carousel slot front of the syringe inverter extractor component as discussed below referencing fig8 at this time a separate syringe plunger tool 171 may be rotated horizontally forward and engages with the plunger 221 of the inverted syringe this movement is illustrated by vector arrow 978 in fig1 this engagement occurs at the bottom of the carousel the syringe plunger tool rotates about component 172 see fig7 it will be appreciated that fig7 and 8 illustrate the optional single syringe holder mount fig3 illustrates the filler mechanism 149 comprised of at least one vial 158 vial holder 159 automated needle cap extractor 157 syringe presence and size sensors 160 and 161 e g 3 ml and 5 ml and barcode reader window 162 also illustrated is an optional single syringe holder mount 163 the optional single syringe holder mount is removed for operation of the carousel with the filler mechanism also disclosed is a syringe 211 and the syringe plunger tool 171 finally the top rotating plate 156 is disclosed holding at least one inverted vial 158 and a needle cap extractor 157 referencing fig4 the disclosure also includes the ability of the top rotating plate 156 of the filler mechanism 149 to position the automated needle cap extractor 157 above a capped syringe 211 with cap 201 positioned vertically in a slot of the carousel or in the illustrated optional single syringe holder 163 further the motor may.