Xerox Phaser 7400 Service Manual

5-16 Phaser 7400 Color Printer Service Manual
Unexpected Colors
The colors produced by the printer are dramatically different from the color expected.
Troubleshooting Reference Table
Applicable Parts Example Print
■ Imaging Unit
■ HVPS
■ Engine Control Board
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Print the Color Reference Page and
evaluate the colors.
Are the colors on the Color Reference
Page representative of what the
customer expects?
Complete, the
problem is with the
customer
application.
Go to Step 2.
2
Perform the Light and Dark Color
Balance procedure.
Did this fix the problem?
Complete. Go to Step 3.
3
Print a Supplies page to check the
Imaging Unit life remaining.
If the Imaging Unit is reaching it’s
maximum image count, the printer will
not hard stop due to pixel count, but
this can reduce print-quality.
Have the customer
replace the Imaging
Unit.
Go to Step 4.
4
Print the 100% Solid Fill Test pattern
and check for any missing colors.
Is the problem with a single color?
Go to Step 5. Go to Step 7.
5
Is there debris or contamination on the
LED Head?
Clean them with a
dry, lint free cloth.
Go to Step 6.
s7400-323

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