C–6
Mnemonics
SERXFER
Serial I/O DMA Data Transfer
. . . . . . . . .
SHAM0–2
Sense Hammer Driver 0 to 2
. . . . . . . . .
SHAMX
Sense Hammer Out to HAM 0 to 2
. . . . . . . . . . .
SHCNTW
Shift Count Write
. . . . . . . . .
SHT PROP
Proportional Speed Error
. . . . . . . . .
SHT INTEG
Integral Speed Error
. . . . . . . .
SLCT
Select (On–line)
. . . . . . . . . . . . .
SPSHAM
Spare Sense Hammer Driver 0, 1, 2
. . . . . . . . . .
STB
Data Strobe
. . . . . . . . . . . . . .
SYNC
Delayed MPU
. . . . . . . . . . . . .
SYSCLK
6 MHz System Clock
. . . . . . . . . .
THAM0–2
Test Hammer Driver Test 0–2
. . . . . . . . .
TXCLK
Transmit Clock
. . . . . . . . . . .
TXDATA
Transmit Data
. . . . . . . . . .
TXREQ01
DMA Transmit Request
. . . . . . . . .
VCCSN12
Switched –12V
. . . . . . . . .
VCCSP12
Sw12V
. . . . . . . . . .
VCCNI12VA
Isolated –12V
. . . . . . .
VCCPI12VA
Is12V
. . . . . . .
VREF2.6
Voltage Reference 2.6 for Paper Feed
. . . . . . . . . .
WINDINGA,B,C
DC Motor Winding A, B, C
. . . .
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...