HP 7683 - Front (or Back) Turret Error; Injector Not Present

Installation Guide
Error messages
31
4. Restart the sequence.
5. If the error occurs again, obtain HP service.
Front (or back) turret error
Probable causes
• Something has interfered with the turret rotation.
• The turret motor/encoder assembly is inoperable.
• The turret type was changed while the power was on and the turret
alignment procedure was not performed.
• Turret is loose.
Suggested actions
1. Clear any obstructions.
2. Check the Align Mode light. If it is lit, perform the alignment procedure.
(See Turret alignment in this section.)
3. Tighten the knurled nut on the top of the turret.
4. If the error occurs again, obtain HP service.
Injector not present
Probable causes
• There is a board failure in the injector or GC.
• The injector cable is bad or not securely connected to the GC.
• There is a cable failure in the GC.
• Your method specifies an incorrect injector location (method
mismatch).
Suggested actions
1. Make sure that the injector to GC cable connection is secure.