tecan infinite 200 Instructions For Use Manual page 29

Reagent Backflush
2008-07
Reagent backflush allows reagents in the tubing system to be pumped back into
storage bottles. This action can be performed optionally prior to washing the
injector system to minimize the dead volume.
Reagent backflush procedure:
1. Remove the injector carrier from the instrument and insert the injector
carrier into the service position of the injector box.
2. Insert the feeding tubing into the appropriate storage bottle.
3. Adjust parameters on the Backflush tab of the Injector Maintenance
dialog box in the Settings menu
4. Start the reagent backflush procedure by clicking Start backflush.
Backflush Select one of the injectors Injector A or Injector B or Injector A
and B (only 'primed' injectors are available for 'backflush').
Select the Piston Strokes (1 – 60; 1 stroke equals 1 ml)
Select the Backflush Speed (100 - 300 µl/sec).
Select the 'Refill Speed' (100 – 300 µl/sec.) or select the Refill
Speed equal to Backflush Speed check box.
Click Start backflush to start the reagent backflush procedure.
Click Close to exit the dialog box.
Instructions for Use for infinite® 200 No. 30017581 Rev. No. 1.4
2. General Description
29