• Code: 797-47
• Description: Glue Vat Roller Rotation Error PB (D391) The glue vat roller sensor did not detect any rotation at the glue vat roller within the prescribed time after the glue vat roller motor turned on.
• Causes: • Glue vat roller motor (M25) defective • Glue vat roller rotation sensor (S59) defective • Motor or sensor connector loose, broken, defective
• Remedy:

• Code: 797-48
• Description: Glue Supply Motor (M33) Error PB (D391) The glue supply HP sensor (S75) did not turn ON within the prescribed time after the glue supply motor (S33) turned on. The motor did not arrive at its home position.
• Causes: • Glue pellet jam in the glue feeder • Glue supply motor (M33) defective • Glue supply HP sensor (S75) defective • Motor or sensor connector loose, broken, defective
• Remedy:

• Code: 797-49
• Description: Front Door Lock Error PB (D391) The right front door sensor did not go OFF even though the front doors were closed and locked. -or- The right front door sensor did not go ON even though the front doors released and opened. -or- Front doors are detected open even though the front doors are closed and locked.
• Causes: • Right front door solenoid (SOL3) defective • Right front door sensor (S30) defective • Sensor connector loose, broken, defective • One or more of the front door micro-switches (MSW1, 2, 4, 5, 6, 7) defective
• Remedy:

• Code: 797-5
• Description: Trimmings Buffer Motor (M37) Error PB (D391) Trimmings buffer motor (M37) is not running.
• Causes: • Trimming scrap jam • Trimmings buffer motor (M37) defective • Right or left trimmings buffer sensor (S100, S103) defective • Motor or sensor connections loose, broken, defective
• Remedy:

• Code: 797-50
• Description: Switchback Flapper HP Sensor (S10) Error PB (D391) The switchback flapper HP sensor did not go ON within the prescribed time after the motor turned on long enough to raise the flapper through an arc of 50 degrees. -or- The switchback flapper HP sensor did not go OFF within the prescribed time after the motor turned on long enough to lower the flapper through an arc of 150 degrees.
• Causes: • Switchback Flapper HP Sensor (S10) defective • Switchback flapper motor (M8) defective • Motor or sensor connector loose, broken, defective
• Remedy:

• Code: 797-51
• Description: TE Press Lever HP Sensor (S3) Error PB (D391) The TE press lever HP sensor did not go ON when the TE press lever motor turned on to move the lever through an arc of 30 degrees to release the lever. -or- The TE press lever HP sensor did not go OFF when the TE press lever motor turned on to move the lever through an arc of 20 degrees to close the lever.
• Causes: • TE press lever HP sensor (S3) defective • TE press lever motor (M3) defective • Sensor or motor connector loose, broken, defective
• Remedy:

• Code: 797-52
• Description: Jog Fence HP Sensor: Front/Small (S12) Error PB (D391) The front jog fence HP sensor for small 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 small 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/small (S12) defective • Jogger motor: front (M4) defective • Sensor or motor connector loose, broken, defective
• Remedy:

• Code: 797-6
• Description: Failure to Detect Book Press Plate Position PB (D391) The book press plate sensor (S104) did not go OFF because the trimmings buffer left the HP sensor position. -or- The book press plate sensor (S104) did not go ON because the trimmings buffer did not arrive at the HP sensor position.
• Causes: • Trimming scraps jammed in or around the trimmings buffer • Trimmings buffer motor (M37) defective • Book press plate sensor (S104) defective • Sensor or motor harness loose, broken, defective
• Remedy: