2–7
Principles of Operation
Character Generation
Paper advances one dot row after each shuttle cycle, causing the dot matrix
to be filled as required to generate each character (Figure 2–6 and
Figure 2–7).
DOT
ROW
START
PAPER
ADVANCES
PAPER
FEED
PAPER
ADVANCES
SPACE
1
2
3
4
5
6
7
8
9
10
11
12
1
2
*
* *
USED FOR LOWERCASE DESCENDER ONLY
USED FOR UNDERLINE AND LOWERCASE DESCENDER
*
**
ONE
CHARACTER
ROW
DIRECTION OF SHUTTLE MOVEMENT
1 HAMMER
PRINT SPAN
1 HAMMER
PRINT SPAN
NOTE: The P9012 shuttle sweeps through 1.5 character positions at 10 cpi.
Figure 2–6. Standard Character Formation
Summary of Contents for P9012
Page 1: ...P N 132305 001 Rev E P9012 Multifunction Line Printer...
Page 49: ...2 31 Principles of Operation Power Supply PCBAs 1 3 SHORT OPEN Figure 2 21 Power Supply PCBA...
Page 58: ...2 40 Principles of Operation...
Page 84: ...4 18 Troubleshooting...
Page 118: ...5 34 Alignments and Adjustments...
Page 203: ...6 85 Replacement Procedures This page intentionally left blank...
Page 214: ...6 96 Replacement Procedures...
Page 236: ...A 22 Power Paper Stacker Maintenance...
Page 246: ...D 2 Torque Table...
Page 254: ...Index 6...
Page 255: ......
Page 256: ...132305 001 Rev E...