Xerox Phaser 7400 Service Manual

3-162 Phaser 7400 Color Printer Service Manual
Error in the Transfer Unit Belt
Applicable Status Code:
Code 917: The Transfer Belt Rotation Sensor indicates a belt error.
Initial Actions:
■ Check the condition of the Transfer Unit drive gear.
■ 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
■ Transfer Unit Motor, PL2.1.86
■ Belt Rotation Sensor, PL2.1.146
■ Print Engine Map 1 (page 10-4)
■ Print Engine Map 7 (page 10-10)
■ 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
Test the Transfer Unit Motor.
1. Close the Interlock Switches for test.
2. Run the Service Diagnostics Transfer
Belt Motor test.
Does the motor operate?
Replace the
Transfer Unit. If the
error persists, go to
Step
3.
Replace the motor
(
page 8-103). If the
error persists, go
to Step
3.
3
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
4.
Replace the
HALL1 Harness.
4
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