Xerox Phaser 840 Service Manual page 141

Table 4-3 Diagnostic Menu Map
Cap Axis Drive
Y Axis Encoder
Y Axis Geometry
Y Axis Belt Slip *
Voltages
Process Motor
Transfix Axis Loading
Monitor Menu
Sensors
Temps
Heaters
Line Voltage
Ink Levels
Front Panel Buttons
Rear Panel DIP Switch
Exercise Menu
Activators
Motors/Shafts
Heaters
Front Panel Display
X Axis *
Transfix Axis *
DM Cam Axis *
Cap Axis *
Function Menu
Chase
Unlock DM Tray
Position Y Axis for Belt Adj * Aligns the Y axis pulleys to achieve maximum force when
Display Test Fault Details
DM Cycle
Oil Transfix Roller
Fill Ink Levels
Park Printhead
Mechanical Init
Access Fault History
Access Test History
Access PE NVRAM
Parameters *
Measures the minimum drive current needed for
cap/wipe/purge motion.
Measures the fastest rate at which the encoder home pulse
can be detected.
Measures the frequency and magnitude of Y axis velocity
variations.
Measures the amount of belt slip during transfix.
Measures several printer voltages.
Measures the process motor encoder accuracy.
Measures the transfix load pressure.
Items in this group passively monitor the current printer state.
Reports changes in sensor states interactively.
Displays current heater temperature and the setpoint.
Displays current heater state (on/of) and % of power being
applied.
Displays the current, maximum and minimum line voltage.
Displays the current ink levels.
Reports front panel button presses interactively.
Reports rear panel DIP switch settings interactively.
Items in this group activate the specified device for manual
verification.
See Above.
See Above.
See Above.
Cycles through the LED's and all display pixels on/off.
Moves the X axis through its full range of motion.
Performs a transfix cycle.
Moves the drum maintenance system through its full range of
motion.
Moves the cap/wipe/purge through its full range of motion.
The tests in this group perform higher level system wide
functions.
Runs a chase sheet through the paper path.
Positions the cap/wipe/purge to unlock the maintenance
drawer.
tensioning the belts.
Displays information about the most recent test fault message
if available.
Performs a drum maintenance cycle.
Performs a transfix roller oiling cycle.
Fills the ink levels.
Moves the printhead into the park position.
Initializes all mechanical systems.
View fault history codes.
View history of test results.
Access and change selected NVRAM parameters.
Diagnostics and Adjustments 4 - 125