IBM 3270 Manual page 144

3274 Diskette Insertion Procedure (All Models except 51C)
1. Open the customer access door, and
locat~
the
diskette reader enclosure.
Diskette
Reader
Enclosure
2. Open the disket
pressing the late
Diskette
Reader
Enclosure
Door
Latch
Diskette
Storage
_ _J
3. Remove the diskette to be used with the 3274 from
its gray protective envelope, and insert it squarely into
the enclosure. Note that the diskette label position
is to the right.
4. Close the diskette reader enclosure door by pushing
the door to the left until it latches (clicks).
Figure 5-3 (Part 1 of 2). Inserting a Diskette into the 3274 Control Unit (during Modification)
Chapter 5. Modification Procedure
5-11