Xerox Phaser 7400 Service Manual

Print-Quality Troubleshooting 5-33
5
Test the Paper Size Switches.
Run the Serive Diagnostics Paper
Size Switch tests.
Are the switches functioning correctly.
Go to Step 6. Go to Step 7.
6
Check the backside of the paper tray
for proper movement of the paper
size plate while adjusting the tray
guides.
Did the plate move with the guides?
Go to Step 8. Replace the tray.
7
Check the wiring harness to the
Paper Size Switch for damage or
defects.
Is the wiring harness defective?
Replace the wiring
harness.
Replace in this order:
Paper Size Switch
(
page 8-139), Engine
Control Board
(
page 8-112), or Option
Control Board.
8
Inspect the tray pick and feed rollers
for dirt, debris or excessive wear.
Clean or replace the
roller.
Go to Step 9.
9
Print a test print.
Did the test pattern print correctly?
Replace the Image
Processor Board
(
page 8-113).
Replace Engine
Control Board
(
page 8-112).
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