Xerox Phaser 7400 Service Manual

Contents xix
Tray [3][4][5][6] Lift Motor Failure. . . . . . . . . . . . . . . . . . . . . . 3-160
Error in the Transfer Unit Belt. . . . . . . . . . . . . . . . . . . . . . . . . . 3-162
Duplex Unit Fan Failure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-163
+24V Not Available to the Duplex Unit . . . . . . . . . . . . . . . . . . . 3-164
Failure in the [C][M][Y][K] Imaging Unit Drum or Motor . . . . . 3-165
+24 V Not Available to Tray [3][4][5][6]. . . . . . . . . . . . . . . . . . 3-167
Failure in the Fuser Motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-168
Failure in the Waste Toner Motor . . . . . . . . . . . . . . . . . . . . . . . 3-169
Motor Driver Board Clock Frequency Error. . . . . . . . . . . . . . . . 3-170
Duplex Unit Clock Frequency Error. . . . . . . . . . . . . . . . . . . . . . 3-171
Finisher Inverter Clock Frequency Error . . . . . . . . . . . . . . . . . . 3-172
Tray [3][4][5][6] Feeder Board Clock Frequency Error . . . . . . . 3-173
Waste Toner Transfer Error . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-174
[CM][YK] Toner Supply Failure. . . . . . . . . . . . . . . . . . . . . . . . . 3-176
Warning Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-177
No Paper in Tray 1 (MPT). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-177
No Paper in Tray [2][3][4][5][6]. . . . . . . . . . . . . . . . . . . . . . . . 3-178
Left Side Output Tray is Closed. . . . . . . . . . . . . . . . . . . . . . . . . 3-179
Waste Cartridge is Almost Full . . . . . . . . . . . . . . . . . . . . . . . . . 3-180
Non-Xerox [C][M][Y][K] Toner Cartridge . . . . . . . . . . . . . . . . . 3-181
Staple Cartridge Is Empty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-182
Punch Waste Box is Full or Missing . . . . . . . . . . . . . . . . . . . . . 3-183
Finisher Away From Base . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-184
Finisher Away From Printer. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-185
4 General Troubleshooting
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
System Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Power On Self Test (POST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
POST Soft Fault Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
POST Hard Fault Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Fault Isolation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Entry Level Fault Isolation Procedure . . . . . . . . . . . . . . . . . . . . . . 4-6
Service Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Using Service Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Service Diagnostics Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Service Diagnostics Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Test Prints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Control Panel Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
No Control Panel Display after Power Is Turned On . . . . . . . . . . 4-10
Control Panel LED Is On, Control Panel Display Is Blank . . . . . . 4-11

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