Messages, Codes, And Procedures; Error Message Abbreviations - Xerox Phaser 7400 Service Manual

Messages, Codes, and Procedures

This section correlates the output of the printer's diagnostic aids and provides the
troubleshooting procedure to locate and correct reported errors.

Error Message Abbreviations

Due to limited space, some error messages, procedures, or descriptions include
abbreviations. The most common abbreviations used are listed here.
Term Definition
Reg or REGI Registration
SNR Sensor
CW Clockwise
CCW Counter-clockwise
DUP Duplex
I/P Board Image Processor
LTA Lower Tray Assembly
HCF High-Capacity Feeder
MSI or MPT Multi-Sheet Input
P/J Plug/Jack
SW Switch
NVM Non-volatile Memory
CRUM Customer-Replaceable Unit
Monitor
Comm Communication
TNR Toner
FDR Feeder
FSR Fuser
ADC Automatic Density Control
ATS Automatic Thickness Sensor Feature using the Media Thickness Sensor to
LVPS Low-Voltage Power Supply
LED Light-emitting Diode
PWB Printed Wire Board
HVPS High-Voltage Power Supply
IU Imaging Unit
I/F Interface
Sub-CPU Secondary processor
Comp Compensation
Error Messages and Codes
Comment
Used in designators such as Reg SNR.
Often seen as SNR1 or Reg SNR.
Rotational direction
Rotational direction
Optional for 2-sided printing
Image Processor Board
Optional 550-Sheet Feeder (Tray 3)
Optional 1100-Sheet Feeder
Used to describe Tray 1 (MPT).
Plug (P) and or Jack (J) designators
Appears as a designator.
Used instead of NVRAM.
Device used to store usage information on the
Imaging Unit and Toner Cartridges.
As in Comm Error
Used as an abbreviation for Toner.
Used as an abbreviation for Feeder.
Used as an abbreviation for Fuser.
Designator for the ADC Sensor.
automatically determine media weight.
Primary power supply
Light source for drum exposure and sensors.
Used to describe a circuit board.
Supplies voltages to the Imaging and Laser units.
Used as an abbreviation for Imaging Unit.
Used as an abbreviation for an interface.
Device located on the Motor Driver Board.
Used as an abbreviation for Compensation.
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