IBM INFO PRINT 3000 - Manual (Page 121)

In duplex mode, the forms move through both Printer 1 and Printer 2 to
either the stacker on Printer 2 or to a postprocessing device behind Printer 2.
In simplex mode, the forms move through the printer to the stacker or to a
postprocessing device behind the printer.
If forms have moved to a printer stacker, go to step 6.
If forms have moved to a postprocessing device, go to step 7.
6. Unload the stacker. See “Unloading the Stacker” on page 169.
Perform the Shutdown procedure.
7. Switch off power to the printer. See “Controlling the System Power” on
page 56 for details.
Attention!
Damage to the printer can occur if you do not turn printer power off
before you use the vacuum cleaner.
8. Plug a toner-certified vacuum cleaner into a 110 V ac outlet near the printer.
Chapter 6. Operator Responsibilities
89