SECTION 4
MEASUREMENTS & ADJUSTMENTS
52
Feed Roller Drive Pulley Test:
With the clutch removed; rotate the Feed Roller Drive Pulley
(sprocket) counter-clockwise. The center section (clutch drive
spline) should also drive counter-clockwise with the rotation
of the Pulley. If the center section does not drive with the
counter-clockwise rotation of the Pulley; then the Feed Roller
Drive Pulley may need to be replaced.
Tip: There have been a few cases where a Feed Roller Drive
Pulley was improperly assembled by the factory.
In this case the center section (clutch drive spine) will NOT be driven when the Feed Roller Drive
Pulley is rotated counter-clockwise. However the center drive spline will be driven when the Feed
Roller Drive Pulley is rotated clockwise. If this is the case; remove the Pulley from the shaft. Remove
the snap-ring that secures the clutch drive spline. Remove the clutch drive spline from the assembly.
Flip the clutch drive spline over and insert it back into the Pulley. Reinstall the snap-ring. Reinstall the
Feed Roller Drive Pulley (clutch drive splines facing out) and test for proper operation.
Print Engine Clamshell (Door) Switch
The Print Engine Open Switch is activated by the Print Engine Latch on the non-operator side. When
the latch is released, to open the top section of the Print Engine, the switch position is toggled.
Note: This switch is not on Z2i print engines. It is present on Z3and higher print engines.
Measurement: Use the Toolbox utility to view the condition of this switch.
Symptom: If a problem develops with this switch the Toolbox will display the message
“DoorOpen_Front”. You will not be able to print until this issue is resolved.
Possible Solutions: Check that the latch arm is activating the switch. Replace the switch.
If you just updated the firmware on a Z2i engine; you may need to run the Z2i Default Script. This
script sets the system to ignore the door switch signal. Contact Tier 2 to obtain Z2i Default Script.
Switch Closed
Latch Closed/Locked
Switch Open
Latch Open/Unlocked
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