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General Procedures and Information 5-30 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 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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