Xerox Phaser 7400 Service Manual

3-28 Phaser 7400 Color Printer Service Manual
4
Test the Fuser Motor.
Run the Service Diagnostics Fuser Motor
test.
Does the motor function correctly?
Go to Step 6. Replace the motor.
If the error persists,
go to Step 5.
5
Check for +24 V to the Fuser Motor.
Disconnect DCHEAT on the Motor Driver
Board.
Is there +24 V across DCHEAT-3 <=>
ground?
Go to Step 6. Replace the Motor
Driver Board
(
page 8-141). If the
error persists, go to
Step 6.
6
Test the Exit Gate Solenoid.
Run the Service Diagnostics Exit Gate
Solenoid test.
Does the solenoid function correctly.
Go to Step 8. Replace the
solenoid
(
page 8-70). If the
error persists, go to
Step 7.
7
Check for +24 V to the solenoid.
1. Actuate the interlock switches.
2. Disconnect SOLENOID from the Rear
Sensor Board.
Is there +24 V across SOLENOID-1 <=>
ground?
Go to Step 8. Replace the Rear
Sensor Board
(
page 8-151).
8
Check the DRV0 and DRV1 ribbon cables
that connect the Motor Driver Board to the
Engine Control Board.
Are these cables connected and
undamaged?
Replace the Engine
Control Board
(
page 8-112).
Replace the
harnesses.
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