• Code: 797-7
• Description: Book Buffer Tray HP Sensor (S78) Error PB (D391) The HP sensor did not go OFF within the prescribed time after the buffer tray the book buffer tray motor turned on to pull the tray to the rear. -or- The HP sensor did not go ON within the prescribed time after the book buffer tray motor turned on to push the tray to the front.
• Causes: • Book has jammed on the rail of the buffer • Buffer tray overloaded • Book buffer tray motor (M39) defective • Book buffer tray HP sensor (S78) defective • Motor or sensor connection loose, broken, defective
• Remedy:

• Code: 797-8
• Description: Edge Press Plate HP Sensor (S90) PB (D391) The edge press plate did not go OFF within the prescribed time after the edge press plate motor turned on to press the plate against the spine of the book. -or- The edge press plate did not go ON within the prescribed time after the edge press plate motor turned on to pull the plate away the spine of the book.
• Causes: • Edge press plate motor (M36) defective • Edge press plate HP sensor (S90) defective • Motor or sensor connection loose, broken, defective
• Remedy:

• Code: 797-9
• Description: Press end Sensor (S87) Error PB (D391) The press end HP sensor did not go OFF within the time prescribed for press END. -or- Press end sensor went OFF after press end sensor went ON and stopped the press motor (M36).
• Causes: • Edge press plate motor (M36) defective • Press end sensor (S87) defective • Data received for signature data was incorrect because signature thickness sensor (S50) defective • Motor or sensor harness loose, broken, defective
• Remedy:

• Code: 798-1
• Description: Jog Fence HP Sensor: Front/Large (S14) Error PB (D391) The front jog fence HP sensor for large size paper did not go ON within the prescribed time when the front jogger motor turned on to move the fence. -or- The front jog fence HP sensor for large size paper did not go OFF within the prescribed time when the front jogger motor turned on to move the fence.
• Causes: • Jog fence HP sensor: front/large (S14) defective • Jogger motor: front (M4) defective • Sensor or motor connector loose, broken, defective
• Remedy:

• Code: 798-10
• Description: Sub Grip HP Sensor (S37) Error PB (D391) The sub grip HP sensor did not go ON within the prescribed time after the sub grip lift motor turned on to raise the sub grip unit. -or- The sub grip HP sensor did not go OFF within the prescribed time after the sub grip lift motor turned on to lower the sub grip unit.
• Causes: • Sub Grip Lift Motor (M17) defective • Sub Grip HP Sensor (S37) defective • Sensor or motor connector loose, broken, defective
• Remedy:

• Code: 798-11
• Description: Sub Grip Size HP Sensor (S38) PB (D391) The sub grip size HP sensor did not go ON within the prescribed time after the sub grip size motor turned on for horizontal adjustment to the paper size, or the sub grip size HP sensor was already OFF when the sub grip size horizontal adjustment started. -or- The sub grip size HP sensor did not go OFF within the prescribed time after the sub grip size motor turned on to close for horizontal adjustment to the paper size, or the sub grip size HP sensor was already ON when the sub grip size horizontal adjustment started.
• Causes: • Sub Grip Size Motor (S19) defective • Sub Grip Size HP Sensor (S38) defective • Sensor or motor connector loose, broken, defective
• Remedy:

• Code: 798-12
• Description: Sub Grip Open Sensor (S40) Error PB (D391) The sub grip open sensor did not go ON within the prescribed time after the sub grip lift motor turned on to open the sub grip unit. -or- The sub grip open sensor did not go OFF within the prescribed time after the sub grip lift motor turned on to close the sub grip unit.
• Causes: • Sub Grip Open Motor (S20) defective • Sub Grip Open Sensor (S40) defective • Sensor or motor connector loose, broken, defective
• Remedy:

• Code: 798-13
• Description: Sub Grip Close Sensor (S41) Error PB (D391) The sub grip close sensor did not go ON within the prescribed time after the sub grip lift motor turned on to close the sub grip unit. -or- The sub grip close sensor did not go OFF within the prescribed time after the sub grip open motor turned on to open the sub grip unit.
• Causes: • Sub Grip Open Motor (S20) defective • Sub Grip Close Sensor (S41) defective • Sensor or motor connector loose, broken, defective
• Remedy: