Xerox Phaser 7400 Service Manual

Error Messages and Codes 3-61
Replace Transfer Unit
The end of life counter indicates that the Transfer Unit requires replacement.
Initial Actions:
■ Replace the Transfer Unit.
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
Note
The Transfer Unit is at End of Life is a warning. Replace Transfer Unit is a hard
stop.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Transfer Unit, PL1.1.20 ■ Print Engine Map 3 (page 10-6)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the count value stored in NVRAM.
Run the Service Diagnostics CRU Counter
Read utility.
Has the counter for the Transfer Unit been
reset?
Replace the Engine
Control Board
(
page 8-112).
Go to Step 2.
2
Reset the Transfer Unit count.
1. Run the Service Diagnostics Reset
Transfer Belt Count utility.
2. Reset the Transfer Unit count.
Did the count value change?
Replace the Engine
Control Board
(
page 8-112).
Replace the
Engine Control
Board NVRAM.

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