Printronix P9012, Maintenance Manual

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C–4 Mnemonics
NFDWR Hammer Fire Data Write . . . . . . . . . . .
NFIRE Summation of Hammer Fire . . . . . . . . . . . .
NFLT Fault . . . . . . . . . . . . .
NFONT0 Font 0 Device Select . . . . . . . . . .
NFONT1 Font 1 Device Select . . . . . . . . . .
NHCK Hammer Clock . . . . . . . . . . . .
NHMC Hammer Master Clear . . . . . . . . . . . .
NHMCNF1N Hammer Load Configuration 1 Write . . . . . . .
NHMCNF3W Hammer Load Configuration 3 Write . . . . . .
NHMRBLK Hammer Data Blank . . . . . . . .
NHSCB Hammer Shift Clock Optically Isolated/Buffered . . . . . . . . . . .
NINT CTC Interrupt to CPU . . . . . . . . . . . . .
NIO0–2,5 I/O Addresses 0–2 and 5 Select . . . . . . . . . .
NIRQ Interrupt Request (Parallel) . . . . . . . . . . . . .
NLOAD Load Hammers . . . . . . . . . . .
NMC Not Master Clear (Buffered Reset) . . . . . . . . . . . . .
NMCSEL MCU Selected . . . . . . . . . .
NMCUFLT MCU Fault . . . . . . . . .
NMFPE Multi Function Peripheral (68901) Device Enable . . . . . . . . . . .
NOHSTWR No Host Writes Allowed . . . . . . . .
NPAPO Paper Out Switch . . . . . . . . . . . .
NPAPOSW Paper Out Switch . . . . . . . . .
NPCLOCK Serial Shift Clock for Front Panel . . . . . . . . .
NPLAO Platen Open Switch . . . . . . . . . . .
NPLOAD Load Switch Data into Shift Register . . . . . . . . . .
NPLAOSW Platen Open Switch . . . . . . . .
NPULEN Paper Puller Enable . . . . . . . . . .
NRAM RAM Bank Device Select . . . . . . . . . . . .
NRESET Reset . . . . . . . . . .
NRIBEN Ribbon Tense . . . . . . . . . .
NRIBFLT Ribbon Fault . . . . . . . . . .
NRIBM Ribbon Move . . . . . . . . . . .
NRIBMOV Ribbon Move . . . . . . . .
NRST Reset . . . . . . . . . . . . .
NRUN1,2 Enable Paper Feed 1, 2 . . . . . . . . . .
NSTAT Releases NUD, HRS, DCMOD from Reset State . . . . . . . . . . . .
NSWITCH Switch Depressed . . . . . . . . .