Xerox Phaser 7400 Service Manual

Contents xxi
6 Adjustments and Calibrations
Calibrations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Color Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Margin Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Automatic Density Control (ADC) Calibration . . . . . . . . . . . . . . . . 6-2
Automatic Thickness (ATS) Calibration. . . . . . . . . . . . . . . . . . . . . 6-4
Adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Vertical and Horizontal Color Registration . . . . . . . . . . . . . . . . . . 6-5
Resetting NVRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Restore Factory Color Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Restore Previous Color Settings. . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Restore Factory Margins Settings. . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Resetting Connection Setup Defaults . . . . . . . . . . . . . . . . . . . . . . 6-7
Resetting PostScript Setup Defaults. . . . . . . . . . . . . . . . . . . . . . . 6-7
Resetting PCL Setup Values to Default . . . . . . . . . . . . . . . . . . . . . 6-7
Resetting Control Panel Setup Values to Default . . . . . . . . . . . . . 6-8
Resetting Printer Controls Values to Default. . . . . . . . . . . . . . . . . 6-8
Resetting All Printer Defaults (PostScript NVRAM) . . . . . . . . . . . 6-8
Service Diagnostics NVRAM Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Postscript NVRAM Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
CRU Counter Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
CRU Counter Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
7 Cleaning and Maintenance
Service Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Cleaning the Imaging Unit Contacts . . . . . . . . . . . . . . . . . . . . . . . 7-3
Cleaning the LED Heads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
Cleaning the Feed Rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
RIP (Repair, Inspect, and Prevent) Procedures . . . . . . . . . . . . . . 7-6
8 Service Parts Disassembly
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
Standard Orientation of the Printer. . . . . . . . . . . . . . . . . . . . . . . . 8-5
General Notes on Disassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
Preparation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
Notations in the Disassembly Text . . . . . . . . . . . . . . . . . . . . . . . . 8-6
Fastener Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
Maintenance Items and Consumables . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
Imaging Unit Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
Toner Cartridge Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
Transfer Unit Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10
Fuser Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11

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