• Code: 796-39
• Description: Sub Grip Dual Sensor Error PB (D391) The Signature HP Sensor (S34) and Signature Main Grip Position Sensor (S35) went ON at the same time.
• Causes: • Signature HP Sensor (S34) defective • Signature Main Grip Position Sensor (M35) defective • A sensor connector loose, broken, defective
• Remedy:

• Code: 796-4
• Description: Spine Fold HP Sensor: Left (S60) Error PB (D391) The spine fold plate did not reach the left HP sensor (the sensor did not go ON) within the prescribed time after the left spine fold plate motor turned on. -or- The spine fold plate did not leave the left HP sensor position (the sensor did not go OFF within the prescribed time).
• Causes: • Spine fold plate motor: left (M28) defective • Spine fold HP sensor: left (S60) defective • Sensor connector loose, broken, defective
• Remedy:

• Code: 796-40
• Description: Main Grip HP Sensor (S44) Error PB (D391) The main grip HP sensor did not go ON within the prescribe time after the main grip lift motor turned on to raise the main grip unit, or the main grip HP sensor was already ON when the motor started to lower the main grip unit. -or- The main grip HP sensor did not go OFF within the prescribed time after the main grip lift motor turned on to lower the main grip unit, or the main grip HP sensor was already ON when the motor started to lower the main grip unit.
• Causes: • Main Grip Lift Motor (M22) defective • Main Grip HP Sensor (S44) Error • Motor or sensor connector loose, broken, defective
• Remedy:

• Code: 796-41
• Description: Main Grip Press Sensor 1 (M48)Error PB (D391) The main grip press sensor 1 did not go ON within the prescribed time after the main grip lift motor turned on to raise the main grip unit from the main grip signature registration position. -or- The main grip press sensor 1 did not go OFF within the prescribed time after the main grip lift motor turned on to lower the main grip unit to the main grip signature registration position.
• Causes: • Main Grip Lift Motor (M22) defective • Main Grip Press Sensor 1 (S48) defective • Connector loose, broken, defective
• Remedy:

• Code: 796-42
• Description: Main Grip Press Sensor 2 (S49) Error PB (D391) The main grip press sensor 2 did not go ON within the prescribed time after the main grip lift motor turned on to lower the main grip unit and signature to the point where the signature was to be pressed into the center of the cover. -or- The main grip press sensor 2 did not go OFF within the prescribed time after the main grip lift motor turned on to raise the main grip unit away from the point where the signature was pressed into the center of the cover.
• Causes: • Main Grip Lift Motor (M22) defective • Main Grip Press Sensor 2 (S49) defective • Motor or sensor connector loose, broken, defective
• Remedy:

• Code: 796-43
• Description: Main Grip Signature Exit Error PB (D391) The signature exit sensor did not go ON after the main grip lift motor moved the signature to the delivery point when the signature was passed from the main grip unit to the signature exit roller.
• Causes: • Main Grip Lift Motor (M22) defective • Signature Exit Sensor (S64) defective • Signature broken, bent • Signature stuck in the main grip unit
• Remedy:

• Code: 796-44
• Description: Main Grip HP Sensor: High (S45) Error PB (D391) The main grip high HP sensor did not go ON within the prescribed time after the main grip lift motor turned on to raise the main grip unit. -or- The main grip high HP sensor did not go OFF within the prescribed time after the main grip lift motor turned on to lower the main grip unit.
• Causes: • Main Grip Lift Motor (M22) defective • Main Grip HP Sensor: High (S45) defective • Motor or sensor connector loose, broken, defective
• Remedy:

• Code: 796-45
• Description: Main Grip Rotate HP Sensor (S43) Error PB (D391) The main grip rotate HP sensor did not go ON within the prescribed time after the main grip rotation motor turned to rotate the main grip unit for delivery of the signature from the sub grip unit. -or- The main grip rotate HP sensor did not go OFF with the prescribed time after the main grip rotation motor turned on to rotate the grip unit and signature to the vertical.
• Causes: • Main Grip Rotation Motor (M21) defective • Main Grip Rotate HP Sensor (S43) defective • Motor or connector loose, broken, defective
• Remedy: