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4-6 Phaser 8400/8500/8550/8560 Color Printer Service Manual
General Troubleshooting
Service Diagnostics Menu Map
Service Diagnostics Menu Map
Menu Description
Main Menu Displays general help text describing the general operation
of the Control Panel/menu system.
Development Menu A temporary submenu containing some development
functions and access to tests still under development.
Return to Customer
Mode
Exits service diagnostics and runs through POST to Ready.
Check Menu Check All
Activators Menu
Shafts Menu
Fans Menu
Heaters Menu
Paper Path Menu
Drive Menu
Drum Menu (8500)
Motors Menu
Misc. Menu
See the individual table descriptions
starting on
page 4-10 for all Check/
Activator menu items.
Monitor Menu Functions for monitoring mechanical measurements.
Sensors Monitors all mechanically activated
sensors except for the Control Panel
buttons. Whenever a state change is
detected it appears on the Control
Panel.
Encoders Monitors each of the non-
temperature analog sensors (Tray 1
width ~495 = narrow, ~7486 = wide,
Y, Media Path, and Process motor
encoders).
Temps Monitors each of the thermal
sensors. Shows the current thermal
control loop setpoint (first value)
and the current sensor temperature
(second value).
Heaters Monitors each of the heaters.
Shows if the heater is currently
enabled (first value) and what
percentage of maximum power is
currently allocated (second value).
Line Voltage Monitors line voltage as seen by the
power supply. Reports max and min
values.
Control Panel
Buttons
Monitors Control Panel buttons and
reports button presses.