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5/2011
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Phaser 4600/4620 Printer Service Manual
GP 18
General Procedures/Information
Revision - Xerox Internal Use Only
FIFO
First In First Out
FireWire
IEEE 1349. High speed serial communications system, comprising hard-
ware plus protocol. Operates at 100, 200 or 400 Mbits/s, with 800 Mbits/s
under development. See USB and RS-232
firmware
Software in a chip which cannot be altered
FLASH
On board erasable and reprogrammable non volatile memory
FOIP
FAX Over Internet Protocol
FPGA
Field Programmable Gate Array
FPOT
First Print Out Time
FRU
Fuser Replacement Unit
FSK
Frequency Shift Keying
FSMA
Field Service Maintenance Agreement
FTP
File Transfer Protocol
FTT Failure
To
Train
FX Fuji
Xerox
G3 Group
3
GC Group
Command
GDI Graphical
Display
Interface
GI Group
Identification
GLCD
Graphic Liquid Crystal Display
GND
Ground
GPD Minidrivers
A Generic Printer Description file has a function similar to PPD files. This
format was developed by Microsoft to provide a simple method to
develop drivers for non-postScript printers. Standard GPD minidrivers
share the same lamentations as the PPD minidrivers, but they too can be
enhanced using plug-ins. GPD Minidrivers are a new technology intro-
duced for Windows 2000 and they will also be supported Windows NT 4.
In Windows 95/98, a similar, but less powerful ‘unidriver’ format was
used.
GS
German safety
gsm
Grams per square metre
GUI
Graphics User Interface
HC
High Capacity
HDD
Hard Disk Drive
HDLC
High Level Data Link Control
HFLEN
High - Frequency (random) Line - Edge Noise. image quality metric.
HFSI
High Frequency Service Intervals
HLD
High Level Design. A document that defines the software high level
design.
HTTP
Hyper Text Transfer Protocol
HUI
Hybrid User Interface
HVPS
High Voltage Power Supply
Table 1 Glossary
Term
Description
Hz
Hertz
IB
InBoard
I2C-bus
Inter Integrated Circuit bus. This provides a simple bidirectional 2-wire
bus for efficient inter-IC control. All I2C-bus compatible devices incorpo-
rate an interface which allows them to communicate directly with each
other via the I2C-bus.
ICAT
Internal Customer Acceptance Test
ICE Internal
Customer
Engagement
ID
Identification
IEC
International Electrotechnical Commission
IEE
Institute of Electrical Engineers
IEEE 1284
Parallel port communication
IETF
Internal Engineering Task Force
IFAX
Internet Fax
IIT
Image Input Terminal
IM
Interim Maintenance
Intlk
Interlock
IOT
Image Output Terminal
IOTC
Image Output Terminal Controller (IOT PWB, LVPS and HVPS). Some-
times referred to as the Power and Control Assembly.
IP
Internet Protocol
IPA
Image Processing Accelerator. Used by the machine scanning services
to convert scanned images to a standard format e.g. for scan to file /
scan to E-mail for network transmission.
IPM
Incremental Preventative Maintenance
IPM
Images per minute
IPP
Internet Printing Protocol
IPS
Image Processing Service
IPS1
Image Processing System
IPX
Internetwork Protocol eXchange
IQ
Image Quality
IR
Infra Red
ISDN
Integrated Services Digital Network / International Standard Data Net-
work
ISIL
Inter and Side Image Lamp
ISO
International Standards Organisation
ITP
Internal Test Pattern
ITTCC
International Telegraph and Telephone Consultative Committee
ITU -T
International Telecommunications Union - Telecommunication
JBA
Job Based Accounting (Network Accounting)
JBIG
Joint Bi-Level Image Experts Group file interchange format
jitter
A line of missing or corrupted information in the fast scan direction.
Table 1 Glossary
Term
Description
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