Xerox Phaser 7400 Service Manual

Error Messages and Codes 3-5
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 Comment
Reg or REGI Registration Used in designators such as Reg SNR.
SNR Sensor Often seen as SNR1 or Reg SNR.
CW Clockwise Rotational direction
CCW Counter-clockwise Rotational direction
DUP Duplex Optional for 2-sided printing
I/P Board Image Processor Image Processor Board
LTA Lower Tray Assembly Optional 550-Sheet Feeder (Tray 3)
HCF High-Capacity Feeder Optional 1100-Sheet Feeder
MSI or MPT Multi-Sheet Input Used to describe Tray 1 (MPT).
P/J Plug/Jack Plug (P) and or Jack (J) designators
SW Switch Appears as a designator.
NVM Non-volatile Memory Used instead of NVRAM.
CRUM Customer-Replaceable Unit
Monitor
Device used to store usage information on the
Imaging Unit and Toner Cartridges.
Comm Communication As in Comm Error
TNR Toner Used as an abbreviation for Toner.
FDR Feeder Used as an abbreviation for Feeder.
FSR Fuser Used as an abbreviation for Fuser.
ADC Automatic Density Control Designator for the ADC Sensor.
ATS Automatic Thickness Sensor Feature using the Media Thickness Sensor to
automatically determine media weight.
LVPS Low-Voltage Power Supply Primary power supply
LED Light-emitting Diode Light source for drum exposure and sensors.
PWB Printed Wire Board Used to describe a circuit board.
HVPS High-Voltage Power Supply Supplies voltages to the Imaging and Laser units.
IU Imaging Unit Used as an abbreviation for Imaging Unit.
I/F Interface Used as an abbreviation for an interface.
Sub-CPU Secondary processor Device located on the Motor Driver Board.
Comp Compensation Used as an abbreviation for Compensation.

Xerox Phaser 7400 Specifications

General

Color	Yes
Print technology	Laser
Maximum resolution	600 x 1200 DPI
Time to first page (black, normal)	12 s
Print speed (black, normal quality, A4/US Letter)	40 ppm
Print speed (color, normal quality, A4/US Letter)	36 ppm
Storage media	HDD
Internal memory	512 MB
Processor model	PowerPC
Maximum internal memory	1 MB
Internal storage capacity	20 GB
Total input capacity	800 sheets
Maximum input capacity	3000 sheets
Paper tray 2 input capacity	350 sheets
Auto document feeder (ADF) input capacity	1650 sheets
Maximum print size	297 x 420 mm
Paper tray media types	Envelopes, Labels, Transparencies
Non-ISO print media sizes	Executive (184 x 267mm), Folio (media size), Letter (media size), Statement (140 x 216mm), Legal (media size)
Maximum ISO A-series paper size	A3
Power requirements	100-240V, 50/60Hz
Networking features	Fast Ethernet
Supported media weight(s)	270 g/m²
Maximum operating temperature range (T-T)	10 - 32 °C
Certification	FCC p.15 A, CE
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	-4 - 140 °F
Storage relative humidity (H-H)	10 - 95 %
Operating relative humidity (H-H)	20 - 80 %
Maximum duty cycle	150000 pages per month

Weight and Dimensions

Dimensions (WxDxH)	1438 x 623 x 975 mm