Xerox Phaser 7400 Service Manual

Print-Quality Troubleshooting 5-27
Incomplete Fusing or Cold Offset
The Fuser temperature is set too low for the media loaded in the tray causing
improper fusing resulting in the toner rubbing off easily.
Initial Actions:
■ Verify the correct media type is set at the printer’s Control Panel.
Troubleshooting Reference Table
Applicable Parts Example Prints
■ Fuser
■ Media Thickness Sensor
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Remove the Fuser covers and
inspect for debris between the rollers.
Is there dirt or debris wrapped around
or on the Fuser rollers?
Replace the Fuser. Go to Step 2.
2
Set the media type to the next
heaviest setting than the type
loaded.
Did this correct the problem?
Advise customer on
appropriate media
type selection.
Go to Step 3.
3
Run the ATS 4-Sheet Calibration
procedure.
Did the calibration procedure pass?
Go to Step 4. Perform the ATS
calibration on
(
page 6-4).
4
Print a test print and monitor the
Fuser temperature with Service
Diagnostics.
Is the temperature within it’s optimal
range?.
Replace the Fuser. Replace in this order:
Engine Control Board
(
page 8-112), then
LVPS (page 8-121).
s7400-330

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