Xerox Phaser 7400 Service Manual

Error Messages and Codes 3-95
Motor Overheating Failure
Applicable Status Code:
Code T34: Imaging Unit Motor Overheating
Initial Actions:
■ Ensure the ambient temperature and installation clearances meet printer
specifications.
■ Clean all fan ducts.
■ Turn the printer off and allow a minimum of 30 minutes for cooling.
■ Restart the printer.
■ If the problem persists follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Imaging Unit Motors
■ Motor Driver Board,
■ Print Engine Motor Driver Board (2/6) (page 10-32)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Test the cooling fans for proper operation
and adequate airflow.
Run the Service Diagnostic Fan tests.
Do the fans operate correctly?
Go to Step 2. Replace the
defective fan.
2
Test the Imaging Unit Motors.
Run the Service Diagnostics Imaging Unit
Motor tests.
Do the motors operate correctly?
Replace the Motor
Driver Board
(
page 8-141).
Replace the
defective motor
(
page 8-105).

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