04/2016
6-21
Phaser 4600/4620/4622 Printer Service Manual
GP 18
6 General Procedures and Information
Revised
POO or P of O Principles of Operation
POST Power On Self Test
PPC Power PC. A EPROM manufacturer
PPD Postscipt Printer Description. A PPD file is a simple formatted text file
that contains a description of the printers features and the corresponding
PostScipt ‘code’ needed to activate each feature. Apple LaserWrite driv-
ers and application programs such as Adobe PageMaker can use PPD
files. With a OOD file, many of the printing features of a network printer
can be made available to users. However advanced features such as
LAN Fax, Accounting and Exception Page Programming cannot be pro-
vided.
PPD Minidrivers PPD minidrivers are available in Windows operating systems (from Win-
dows 95 onwards). With these, a Xerox - supplied PPD file is used in
conjunction with an operating system supplied driver ton create a Post-
Script driver tailored for a specific device. In windows 95/98, a driver pro-
vided by this method has lamentations and not all devices features can
be made available to the user. With Windows NT 4 and Windows 2000, it
is possible to make more features available by using a user interface ren-
dering plug - in. In this document, if the driver is to be provided with If no
plug-ins are provided, then it is called a standard minidriver.
PPHI Problems Per Hundred Installs
ppm Prints per minute / Parts Per Million
PPR Partial page Request
pps Partial Page Signal / pulses per second
PPS Product Performance Specification
PR Photo-Receptor
PRI-EOM Procedure Interrupt-EOM
PRI-EOP Procedure Interrupt-EOP
PRI-MPS Procedure Interrupt-MPS
PSM1 Power Save Mode 1 (low power mode)
PSM 3 Power Save Mode 3 (sleep mode)
PS Post Script
PSTN Private Switched Telephone Network
PSW Portable Service Workstation
PTT Post, Telephone, Telegraph (national public utilities)
PVC Poly Vinyl Chloride
PVT Product Verification Test
PWB Printed Wiring Board
PWS Portable Work Station
QIT Quality Improvement Team
RAM Random Access Memory
Table 1 Glossary
Term Description
RARP Reverse Address Resolution. Reverse of ARP. Converts a MAC address
to an IP address. The document centre resolves its address using RARP.
See also MAC, NIC and ARP.
RBT Ring Back Tone
RCA Remote Customer Assistance
RDT Remote Data Transfer
R/E Reduction / Enlargement
REN Ringer Equivalence Number
RFC Request for comment. An IETF standard reference.
ROHS Restriction of Hazardous Substances
RPC Remote Procedure Call
RH Relative humidity
RIC Remote Interactive Communications
RIS Raster Input Scanner
Riser PWB A card that increases the number of PCI slots.
RJ 45 Phone type network connector
RM Requirements Management
RMS Root Mean Square (AC value)
RNR Receive Not Ready
RO Regional Operations
ROS Raster Output Scanner
RR Receive Ready
RRB Requirements Review Board
RS-232, RS-423,
RS-422, RS-485
Series of standards for serial communication of data by wire. RS-232
operates at 20 kbits/s, RS-423 operates at 100 kbits/s, RS-422 and RS-
485 operate at 10 Mbits / s. See FireWire and USB.
RTN Retrain Negative
RTP Retrain Positive
RTS Request To Send
Rx Receive
SA Systems Administration
SAD Solid Area Density
SAF Safety
SAKO Systems Administration Key Operator
SAP Service Advertising Protocol. a network device will broadcast its capabili-
ties onto the network at a defined intervals.
SAP Service Advertising Protocol
SAR Semi-Active Retard feeder
SCD Software Compatibility Database
SCF Second Cassette Feeder
SCM Software Configuration Management
Table 1 Glossary
Term Description
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