Xerox Phaser 7400 Service Manual

3-66 Phaser 7400 Color Printer Service Manual
Install or Reseat Transfer Unit
The printer does not detect the Transfer Unit.
Initial Actions:
■ Check the installation of the Transfer Unit.
■ Cycle the printer's power.
■ If the problem persists follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Transfer Unit, PL1.1.20
■ Belt Rotation Sensor, PL2.1.146
■ Print Engine Map 1 (page 10-4)
■ Print Engine Map 5 (page 10-8)
■ Print Engine Motor Driver Board (1/6) (page 10-31)
■ Print Engine Motor Driver Board (4/6) (page 10-34)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Test the Belt Rotation Sensor.
Run the Service Diagnostics Belt Hole IC
test.
Does the sensor function correctly?
Go to Step 2. Replace the
sensor (
8-91). If
the error persists,
go to Step
3.
2
Check all pins on the HALL1 Harness for
continuity.
Disconnect HALL1 and P/J310
Is the harness conductive?
Replace the Motor
Driver Board
(
page 8-141).If the
error persists, go to
Step
3.
Replace the
HALL1 Harness.
3
Check all pins of the DRV0 harness for
continuity.
Disconnect the DRV0 ribbon cable.
Is the cable conductive?
Replace the Engine
Control Board
(
page 8-112).
Replace the DRV0
Harness.

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