Xerox Phaser 7400 Service Manual

5-26 Phaser 7400 Color Printer Service Manual
Troubleshooting Reference Table
Applicable Parts Example Print
■ Imaging Unit
■ Fuser
■ Transfer Unit
■ LVPS
■ Temp/Humidity Sensor
■ Engine Control Board
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Print the Repeating Defects page and
compare to the customer’s print to
determine if the defect is Fuser or
Imaging Unit related.
Is the defect repeating at 94 mm?
Replace the
Imaging Unit.
Go to Step 2.
2
Perform the Remove Print Smears
from the printer’s Control Panel to
clean the fuser.
Reprint. Did this correct the problem?
Complete. Go to Step 3.
3
Check the media settings.
Is the setting correct for the media
loaded in the tray?
Go to Step 4. Advise the customer of
the correct media
settings.
4
Try setting the Control Panel media
type to the next lightest type of paper
than that loaded in the tray.
Did this correct the problem?
Advise customer of
the appropriate
media type
selection.
Go to Step 5.
5
Remove the Fuser covers and inspect
the thermistor for debris between it
and the rollers.
Is there any debris build-up?.
Replace the Fuser. Go to Step 6.
6
Print a test print and monitor the Fuser
temperature with Service Diagnostics.
Is the temperature within its optimal
range?
Replace the Fuser. Replace the Engine
Control Board
(
page 8-112).
s7400-329

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