Xerox Phaser 7400 Service Manual

3-90 Phaser 7400 Color Printer Service Manual
Fatal Error Procedures
Fuser Failure
The Fuser temperature regulation has failed.
Applicable Status Codes:
Code T1: Fuser Upper Failure
Code T2: Fuser Lower Failure
Initial Actions:
■ Reseat the Fuser.
■ Cycle the printer's power.
■ If the problem persists follow the procedure below.
W
arn
i
ng
Avoid the potential of electric shock by removing the power cord from the
wall outlet prior to performing the following procedure.
Caution
Allow adequate time for the Fuser to cool before servicing the printer.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Fuser, PL1.1.21
■ LVPS, PL3.1.4
■ Engine Control Board, PL1.1.4
■ Print Engine Map 6 (page 10-9)
■ Print Engine LVPS (page 10-39)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Replace the Fuser.
Does the error persist?
Go to Step 2 Complete.
2
Check the Fuser Heat Lamps.
Does the Fuser error occur after at least 3
minutes of operation?
Go to Step 3. Go to Step 4.
3
Did the Fuser warm up? Replace the Engine
Control Board
(
page 8-112).
Replace the Fuser.
4
Check the LVPS.
Is there AC voltage between
CN4-1<=>CN4-4?
Replace the Fuser. Replace the LVPS
(
page 8-121).

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