Xerox Phaser 7400 Service Manual

Print-Quality Troubleshooting 5-37
Scan Direction Dark Streaks
There are dark lines running parallel with the leading edge of the print.
Troubleshooting Reference Table
Applicable Parts Example Print
■ Imaging Unit
■ Transfer Roller
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Print the Color Test Pages.
Does the problem occur in one
primary color?
Replace the Imaging
Unit of the defective
color.
Go to Step 2.
2
Perform the Remove Print Smears
routine from the printer’s Control
Panel.
Did this fix the problem?
Complete. Go to Step 3.
3
Inspect the Fuser rollers for
contamination.
Is the Fuser contaminated?
Replace the Fuser. Go to Step 4.
4
Print a test print
Did the test pattern print correctly?
Replace the Image
Processor Board
(
page 8-113).
Replace Engine
Control Board
(
page 8-112).
Process
Scan
s7400
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335

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