Scantron SelfScore Operator's Manual page 77

Press Run to proceed with the test. The following
menu item appears.
Load an expendable form or two into the input tray.
(Do not use the calibration sheets that came with your
scanner as you may need these in the future.)
Press Start to scan the sheet(s). The sheet should feed
and each installed printer should print a string of
characters. The test will continue as long as there are
sheets in the input tray.
Press Next if you wish to abort the test or if you have
completed the test. You will be advanced to the next
menu item.
Top Read Validation
Description
This menu item allows you to validate the calibration
and operation of the top read head.
NOTE: This test requires Scantron Reflective
Calibration sheets (part number 202-171-989).
Press Next to skip this test and to advance to the next
menu item.
Press Run to proceed with the test. The following
menu item appears.
Place a stack of five, Scantron Reflective Calibration
Operator's Guide 67