Xerox Phaser 7400 Service Manual

Error Messages and Codes 3-161
4
Check for +24 V at OPTRY24.
1. Close the Interlock Switches.
2. Disconnect OPTRY24.
Is there +24 V at OPTRY24-1 and -2 <=>
ground?
Replace the
affected Option
Control Board.
Go to Step 5.
5
Check all pins on the OPTRY24 Harness
for continuity.
Disconnect the OPTRY24 Harness.
Is the OPTRY24 Harness conductive?
Go to Step 6. Replace the
OPTRY24
Harness.
6
Check for +24 V from the LVPS.
Disconnect POW24.
Is there +24 V at POW24-1 <=> ground?
Replace the Motor
Driver Board
(
page 8-141)
Go to Step 7.
7
Check the LVPS +24 V output.
1. Close the Interlock Switches.
2. Disconnect CN2.
Is there +24 V at CN2-1 and <=> ground?
Replace the Engine
Control Board
(
page 8-112)
Replace the LVPS
(
page 8-121).
Troubleshooting Procedure Table (Continued)
Step Actions and Questions Yes No

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