Scantron OpScan 4ES Operator's Manual page 194

Chapter : Transport Printer
Installing or Replacing Ink Cartridges
174
5.
If your scanner is equipped with dual printers,
repeat steps 2, 3, and 4 for the other printer.
6.
Adjust the position of the printer(s) as described in
the next section.
Scantron OpScan 4ES and iNSIGHT 4ES Scanners