Xerox Phaser 7400 Service Manual

5-18 Phaser 7400 Color Printer Service Manual
Repeating Bands, Lines, Marks, or Spots
This is usually caused by a damaged roller. In some instances, the spots may be dark
instead of white and are repeated.
Initial Actions
■ Print the Color Test pages to identify the color causing the defect.
■ Print the Repeating Defects page, and then measure the defect and compare
it to the Repeating Defects table to identify the problem component.
Troubleshooting Reference Table
Applicable Parts Example Print
■ Imaging Unit
■ Fuser
■ Transfer Unit
Repeating Defects Spacing
Component Defect Spacing Replace
Imaging Drum 94 mm (in.) Imaging Unit
Developer Roller 49 mm (in.) Imaging Unit
Charge Roller 37.4 mm (in.) Imaging Unit
Supply Roller 102 mm (in.) Imaging Unit
Fuser Belt 124 mm Fuser
Heat Roller 87.3 mm (in.) Fuser
Transfer Unit Belt 706 mm Transfer Unit
s7400-326

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