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General Procedures and Information
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Xerox DocuPrint P8e Service Manual
5.9 Abbreviations
Abbreviation
Stands for
Abbreviation
Stands for
BCR
Bias Charge Roll
INTR
Interrupt Request
BIOS
Basic Input/Output System
I/O
Input and Output
BPS
Bits Per Second
lb
Pound(s)
BTR
Bias Transfer Roll
LDON
Laser Diode On
CBUSY
Command busy
LED
Light Emitting Diode
CCLK
Command clock
lin
linearity
clk
clock
LSU
Laser Scanner Unit
cm
centimeter(s)
MHV
Main High Voltage
CMOS
Complementary Metal Oxide
motor_pa
Motor phase A
Semiconductor
motor_pb
Motor phase B
CMSG
Command message
MPU
Micro Processor Unit
CON
connector
NC
No Connection
CPU
Central Processing Unit
neg
negative
DCU
Diagnostic Control Unit
OSC
oscillator
DMA
Direct Memory Access
PCU
Printer Control Unit
DMAC
Direct Memory Access Controller
PPM
Pages Per Minute
DOS
Disk Operating System
Print command
DPI
Dots Per Inch
psync
page synchronization
DRAM
Dynamic Random Access Memory
pwr
power
DS
Data Strobe
RAM
Random Access Memory
DVM
Digital Voltmeter
READY
Engine ready to print
EBUSY
Engine Status Busy
ROM
Read Only Memory
EEPROM
Electrically Erasable Programmable
SCC
Serial Comm. Controller
Read Only Memory
THV
Transfer High Voltage
EMSG
Engine Status message
Vcc
collector supply voltage (dc)
HSYNC
Horizontal sync
VCU
Video Control Unit
INT
Interrupt
VDI
Video data from controller
INTA
Interrupt Acknowledge
VDO
Video data output
Image Cartridge
Print Cartridge
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