Xerox Phaser 7400 Service Manual

Safety xi
Manual Organization
The Phaser 7400 Color Printer Service Manual is the primary document used for
repairing, maintaining, and troubleshooting the printer. The manual is organized into
two books. This volume, Book 1, focuses on the print engine with the exception of
providing complete diagnostic and troubleshooting procedure for the printer and all
its options. Book 2 focuses on option repair and includes an overview of option
theory, option Field Replaceable Unit (FRU) replacement procedures, parts lists, and
wiring diagrams. Use Book 2 after you’ve isolated a problem internal to a specific
option or when a problem arises at the engine/option interface.
Book 1 - Print Engine
Use Book 1 as your primary resource for understanding the operational characteristics
of the print engine. Book 1 describes printer specifications, theory and includes
information important to the diagnosis and repair of problems occurring in the print
engine and attached options. Book 1 also provides detailed print engine replacement
procudures, parts lists, and wiring diagrams.
Book 1 contains these sections:
Introductory, Safety, and Regulatory Information: This section contains
important safety information and regulatory requirements.
Section 1 - General Information: This section contains an overview of the
printer’s operation, configuration, specifications, and consumables.
Section 2 - Theory of Operation: This section contains detailed functional
information on print engine components.
Section 3 - Error Codes and Messages: This section describes the resident
diagnostics available to assist the troubleshooting process. These diagnostics include
error codes and messages and Service Usage Profile data stored in the printer. This
section provides complete troubleshooting information for the print engine and all it’s
options.
Section 4 - General Troubleshooting: Troubleshooting discussions cover the
operation of Power On Self Test (POST), Service Diagnostics, In addition, this
section includes troubleshooting methods for situations where no error indicator is
available.
Section 5 - Print-Quality Troubleshooting: This section focuses on techniques
to correct image quality problems associated with printer output.
Section 6 - Adjustments and Calibrations: This section provides procedures
for the adjustment of print engine components.
Section 7 - Cleaning and Maintenance: This section provides periodic cleaning
procedures for the printer.

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