09/2007
6-12
Phaser 8860/8860MFP Service Manual
Service Diagnostics
Initial Issue
Diagnostics
Print Engine Exercise Menu
This submenu contains a group of functions intended to stimulate a specific portion of the print
engine system in such a way that the test can be observed. Listening observations may be
required for certain tests and will prompt you on the control panel if covers, doors, or trays need
to be removed.
Table 5 Print Engine Exercise Menu Definitions
Test Description
Activators Menu
•Exercise All
• Tray 1 Pick Solenoid
• Tray 2 Pick Clutch
• Tray 3 Pick Clutch
• Tray 4 Pick Clutch
• Deskew Clutch
• Strip Solenoid
• Head Maintenance
Clutch
• Purge Vent Solenoid
• Drum Heater Relay
The tests pulse the specified target causing it to generate a
sound or motion. The Exercise All function cycles each of the
listed components below 4 times, in sequence, until interrupted
by pressing the Cancel button. The other functions continue
cycling repeatedly until interrupted by a control panel key
press. The Cancel button should be pressed only when the
state is Off
Motor/Shafts Menu
•Exercise All
• Process Motor
• Y-axis Motor
•X-axis Motor
• Purge Pump Motor
• Drum Fan Motor
• Electronics Fan Motor
• Media Path Motor &
Shafts
• Transfix Cam Shaft
• Drum Maintenance
Cam Shaft
• Deskew Shaft
• Wiper Shaft
• Tray 1 Pick Shaft
• Tray 2 Pick Shaft
• Tray 3 Pick Shaft
• Tray 0 lift motor
• Tray 3 Lift Motor
• Tray 3 Motor & Shafts
• Tray 4 Pick Shaft
• Tray 4 Lift Motor
• Tray 4 Motor & Shafts
The motor and shaft functions drive the specified motor or shaft
enough to generate enough motion to be easily observed (usu-
ally 1 revolution), without making a substantial change to the
state of the system.The Exercise All function cycles each of the
listed motors/shafts 3 times in sequence until interrupted by a
control panel button press. The other functions continue to
cycle the motor/shaft repeatedly until interrupted by a control
panel key press.
Heaters Menu
• Monitor Heaters
• Monitor Temperatures
• All Heaters On (warm-
up to normal operating
temperature setpoints
with Ink Melt Heaters
Off).
• All Heaters Off
• Toggle Printhead Heat-
ers
• Toggle Preheat Heater
• Toggle Drum Heater
• Toggle Ink Melt Heaters
(The Ink Melt Heaters
remain On for 4 sec-
onds.).
Allows the heaters to be forced to an On or Off condition or to
be toggled from one condition to the other. Also provides moni-
toring to observe the resulting heater power or temperature.
Table 5 Print Engine Exercise Menu Definitions
Test Description
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