Printronix P9012 Maintenance Manual page 243

NTOF
NTXSTB
NUD . . . . . . . . . . . . . .
NUDTOSPD
OD . . . . . . . . . . . . . . .
OE . . . . . . . . . . . . . . .
OVEREN
P1–P8
PAPIN
PAREN
PARER
PARXFER
PB . . . . . . . . . . . . . . .
PBE . . . . . . . . . . . . . .
PDATA
PE . . . . . . . . . . . . . . . .
PF1,2
PF1,2 CHOP
PFM1–4
PI . . . . . . . . . . . . . . . .
PIEN
PM1–4
PMD . . . . . . . . . . . . . .
PMDA,C,K
POFLTRET
PPF RAMP
PUF,G
REGSEL
REVCHNL
RIBSW1,2
RRIBMTR+,–
RTS . . . . . . . . . . . . . .
RXCLK
RXDATA
SDIR
Mnemonics
. . . . . . . . . . . . . Top of Form
. . . . . . . . . . DMA Transmit Data Strobe
Upper Hammer Drive
. . . . . . . Shuttle Up to Speed
Over Drive
Output Enable
. . . . . . . . . . Overrun Detect Enable
. . . . . . . . . . . . . Data 1 to 8
. . . . . . . . . . . . Paper Instruction Detected (Parallel)
. . . . . . . . . . . . Parity Check Detect Enable
. . . . . . . . . . . . Parity Error Detected (Parallel)
. . . . . . . . . Parallel DMA Data Transfer
Parity Bit
Parity Bit Error
. . . . . . . . . . . . Front Panel Data
Printer Error
. . . . . . . . . . . . . Paper Feed 1, 2
. . . . . . . Chop for Paper Feed 1,2
. . . . . . . . . . . Paper Feed Motor 1 to 4
Paper Instruction
. . . . . . . . . . . . . Paper Instruction Detect Enable
. . . . . . . . . . . . Paper Motion 1 to 4
Paper Motion Detect
. . . . . . . . Paper Motion Detector A, C, K
. . . . . . . . Paper Out/Platen Open Fault Return
. . . . . . . . Ramp for Paper Feed
. . . . . . . . . . . . Pull Up F, G
. . . . . . . . . . Select LCD Register
. . . . . . . . Reverse Channel
. . . . . . . . . Ribbon Switch 1 & 2
. . . . . . Right Ribbon Motor + & –
Request to Send
. . . . . . . . . . . Receive Clock
. . . . . . . . . . Receive Data
. . . . . . . . . . . . . Sense Direction
C–5