Service Diagnostics Menu Map - Xerox 4400DT - Phaser B/W Laser Printer Service Manual

Component Checks
NVRAM Access
— Reboots the Printer out of Diagnostics.
Exit

Service Diagnostics Menu Map

The Service Diagnostics Menu Map lists the tests available for testing print engine
parts and functions while diagnosing printer problems. When you enter Service
Diagnostics, the menu items shown in bold type appear on the front panel. When you
select one of these items, the list of individual tests appear.
Print Service Menu Map: Prints this page
General Status: Provides current print engine status.
Engine ROM Version
Engine Print Counter
Engine Configuration
Print Resolution
Read Fuser Temperature
Read Fuser Set Temperature
Engine Test Print: Starts the test print.
Print Test pattern
Input tray
Output tray
Duplex
Print Quantity
Motors/Fan Test: Test the functionality for motors/fan.
Duplex Motor High
Duplex Motor Low
Exit Motor Forward
Exit Motor Reverse High
Exit Motor Reverse Low
Main Motor
Fan Motor High Speed
Laser Scan Motor
Stacker Motor
Stacker Offset Motor
Main Motor + Clutch/Sol Tests: * Runs main drive motor with each
individual clutch and MPT solenoid.
Sensor Tests: Tests the functionality of sensors/switches/options by
manually toggling each sensor or installing an option.
Front Cover Switch
Rear Cover Switch
Paper Tray Size Read (display paper size, for trays)
Print Cartridge Switch
Toner Sensor
Registration Sensor
Exit Sensor (Fuser)
Duplex Sensor
Stacker Sensor
Stacker Full Sensor
Output Tray Full Sensor (Printer)
Tray 1 Low Paper Sensor
Tray 2 L ow Paper Sensor
Tray 3 Low Paper Sensor
Tray 1 No Paper Sensor
Tray 2 No Paper Sensor
Tray 3 No Paper Sensor
MPT No Paper Sensor
Envelope Feeder No Paper Sensor
Envelope Feeder Presence
Duplex Unit Presence
Stacker Unit Presence
2-8
— Tests print engine component functions.
— Lets you reset the PS NVRAM locations to factory defaults.
Solenoid Tests: Test the functionality of printer solenoids
*MPT Solenoid
Stacker Direction Solenoid
Clutch tests: Test the functionality of printer clutches.
*Registration Clutch
*Tray 1 Feed Clutch
*Tray 2 Feed Clutch
*Tray 3 Feed Clutch
*Tray 1 Turn Roll Clutch
*Tray 2 Turn Roll Clutch
*Tray 3 Turn Roll Clutch
*Envelope Feeder Clutch
Engine NVRAM Adjustments: Perform NVRAM adjustments essential to
the performance of the printer.
Laser Power Setting
MPT Paper Size Adjustment
Envelope Paper Size Adjustment
Tray 1 Process Direction
Tray 2 Process Direction
Tray 3 Process Direction
Envelope Feeder Process Direction
MPT Process Direction
Tray 1 Scan Direction
Tray 2 Scan Direction
Tray 3 Scan Direction
Envelope Feeder Scan Direction
MPT Scan Direction
Duplex Process Direction
Duplex Scan Direction
Component Checks:
Laser Diode
Detack Saw Output
Transfer Roll +
Transfer Roll ñ
Developer Bias AC
Developer Bias DC
Charge Roll AC
Charge Roll DC
NVRAM Access: This menu lets you reset the PS NVRAM locations to
factory defaults.
PostScript NVRAM Reset
Exit: Reboots Printer out of Diagnostics.
For Service Use Only:
The Service menu functions are to be used by Xerox service personnel
and authorized service providers. The printer can be damaged by
improper use of the built-in service tests.
Phaser 4400 Laser Printer Service Manual