Operating Procedures; Reloading The Hopper Or Unloading The Stacker; Removing A Card Jam - IBM 3774 Operating Procedure Manual

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Operating Procedures
Reloading the Hopper or Unloading the Stacker
Removing a Card Jam
Use this procedure to either add cards to the reader hopper, or remove cards from the
stacker. Refer to Figure
8-1
for the location of the reader controls used in this
procedure.
1
Press the reader RED (STOP) key.
• The reader stops after it reads the card in process.
2
Add the cards required to the hopper, and unload the stacker if required.
3
Press the reader GREEN (START) key.
• Both 3501 lights (status indicators) turn on when a job starts that defines the
card reader as the job's input device.
• The reader is in a ready condition, and reads under control of the system
controller.
CAUTION
As you do not turn the terminal's power off when removing a card jam, you can
avoid unexpected starting of the reader by disconnecting the reader's power plug
at the rear of the reader. Be sure to reconnect the plug after you have removed
the card jam.
1
2
3
Press the RED (STOP) key.
Remove the cards from the hopper.
Open the top cover as shown in Figure 8-2.
Figure 8-2. Removing a Card Jam
IBM 3774 and 3775 Operating Procedures Guide 8·3