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Printer controller overview
2-4 System Overview Guide
• Diskette drive: Diskettes inserted into a diskette drive are
used to install fonts and to load files to, and back up files
from, the internal disk drive. The diskette drive uses industry
standard 3.5 inch, 1.44 MB, double-sided, high-density
diskettes.
• DVD-ROM drive: The DVD-ROM drive is a high density,
read-only, optical laser storage device used for loading the
NPS/IPS operating system and other files. The CD-ROM
drive is located in the processor above the diskette drive.
• Back panel: The back panel of the processor has a power
receptacle and outlet, connectors, connector openings, and
ports. The following figure shows the back panel of the
controller.
Figure 2-2. Back panel of the printer controller
1. Access panel lock block
2. Serial connectors A and B, DB-25
3. Parallel connector
4. SCSI connector
5. Universal serial bus (USB) connectors