• Code: 490-009
• Description: IITB black lift motor error The machine detects a short or open signal of the coil in the ITB black motor.
• Causes: • ITB drawer incorrectly set • Harness from IOB 2 to this motor short, broken or disconnected • Coil in this motor short or open
• Remedy: 1. Check if the ITB drawer is correctly set. 2. Check the harness connection. 3. Replace the harness. 4. Replace the ITB black lift motor.

• Code: 490-010
• Description: ITB color lift motor error The machine detects a short or open signal of the coil in the ITB color motor.
• Causes: • ITB drawer incorrectly set • Harness from IOB 2 to this motor short, broken or disconnected • Coil in this motor short or open
• Remedy: 1. Check if the ITB drawer is correctly set. 2. Check the harness connection. 3. Replace the harness. 4. Replace the ITB color lift motor.

• Code: 490-011
• Description: Belt centering motor error The machine detects a short or open signal of the coil in the belt centering motor.
• Causes: • ITB drawer incorrectly set • Harness from IOB 2 to this motor short, broken or disconnected • Coil in this motor short or open
• Remedy: 1. Check if the ITB drawer is correctly set. 2. Check the harness connection. 3. Replace the harness. 4. Replace the belt centering motor.

• Code: 490-012
• Description: ITB drive motor error The machine detects a short or open signal of the coil in the ITB drive motor.
• Causes: • ITB drawer incorrectly set • Harness from IOB 2 to this motor short, broken or disconnected • Coil in this motor short or open
• Remedy: 1. Check if the ITB drawer is correctly set. 2. Check the harness connection. 3. Replace the harness. 4. Replace the ITB drive motor.

• Code: 490-013
• Description: PTR lift motor error The machine detects a short or open signal of the coil in the PTR lift motor.
• Causes: • ITB drawer incorrectly set • Harness from RCB to this motor short, broken or disconnected • Coil in this motor short or open
• Remedy: 1. Check the harness connection. 2. Replace the harness. 3. Replace the PTR lift motor.

• Code: 492
• Description: TD sensor K error • The TD sensor for a color determines that no developer is in the development unit at TD sensor initialization. • The TD sensor for a color does not detect a normal output from the development unit during printing.
• Causes: • No developer in the development unit • Agitation auger defective
• Remedy: 1. Check or reinstall developer in the development unit. 2. Replace the development unit.

• Code: 493
• Description: TD sensor C error • The TD sensor for a color determines that no developer is in the development unit at TD sensor initialization. • The TD sensor for a color does not detect a normal output from the development unit during printing.
• Causes: • No developer in the development unit • Agitation auger defective
• Remedy: 1. Check or reinstall developer in the development unit. 2. Replace the development unit.

• Code: 494
• Description: TD sensor M error • The TD sensor for a color determines that no developer is in the development unit at TD sensor initialization. • The TD sensor for a color does not detect a normal output from the development unit during printing.
• Causes: • No developer in the development unit • Agitation auger defective
• Remedy: 1. Check or reinstall developer in the development unit. 2. Replace the development unit.