• Code: 325
• Description: Development motor error: C. The lock signal remained HIGH or LOW for longer than the prescribed time for the K, M, C, or Y, development motor.
• Causes: • Disconnected harness from the development motor • Development motor shaft locked, blocked by obstruction • +24V off • Development motor defective
• Remedy: 1. Check if the developer in the development unit is stuck. 2. Check the development motor operation with Output Check (SP5-804-162 to -165) after the development unit has been pulled out from the machine. 3. Check the harness connection of the development motor. 4. Remove the obstruction around the development motor shaft. 5. Check if the +24V at the motor connector is ON. If not, check the following: • Check if 24V is output from the PSU-EB. • Check all harness connections on the PSU-EB. • Replace the PSU-EB. 6. Replace the development motor.

• Code: 326
• Description: Development motor error: M. The lock signal remained HIGH or LOW for longer than the prescribed time for the K, M, C, or Y, development motor.
• Causes: • Disconnected harness from the development motor • Development motor shaft locked, blocked by obstruction • +24V off • Development motor defective
• Remedy: 1. Check if the developer in the development unit is stuck. 2. Check the development motor operation with Output Check (SP5-804-162 to -165) after the development unit has been pulled out from the machine. 3. Check the harness connection of the development motor. 4. Remove the obstruction around the development motor shaft. 5. Check if the +24V at the motor connector is ON. If not, check the following: • Check if 24V is output from the PSU-EB. • Check all harness connections on the PSU-EB. • Replace the PSU-EB. 6. Replace the development motor.

• Code: 327
• Description: Development motor error: Y. The lock signal remained HIGH or LOW for longer than the prescribed time for the K, M, C, or Y, development motor.
• Causes: • Disconnected harness from the development motor • Development motor shaft locked, blocked by obstruction • +24V off • Development motor defective
• Remedy: 1. Check if the developer in the development unit is stuck. 2. Check the development motor operation with Output Check (SP5-804-162 to -165) after the development unit has been pulled out from the machine. 3. Check the harness connection of the development motor. 4. Remove the obstruction around the development motor shaft. 5. Check if the +24V at the motor connector is ON. If not, check the following: • Check if 24V is output from the PSU-EB. • Check all harness connections on the PSU-EB. • Replace the PSU-EB. 6. Replace the development motor.

• Code: 328
• Description: Toner supply motor error. 2 sec. after the motor START signal is output, a LOCK signal cannot be detected.
• Causes: • Motor harness disconnected, loose, or defective • Toner pump overload • Sub hopper overload • Toner supply motor defective
• Remedy: 1. Remove the obstruction around the sub-hopper unit. 2. Replace the sub-hopper unit.

• Code: 332
• Description: Toner supply error: K. The machine fails the toner filling up for a color after the toner end sensor detected "Toner Empty".
• Causes: • Toner condensation in the toner bottle • Toner stuck in the toner supply tube • Bent toner supply tube • Defective toner pump • Defective toner bottle motor
• Remedy: 1. Straighten the toner supply tube. 2. Replace the toner pump. 3. Replace the toner bottle motor, and then execute SP2-253-xxx. (-001: K, -002: C, -003: M, -004: Y, -005: YMC, -006: All colors) • When executing SP2-253-xxx, make sure the following conditions; • Fist, turn off and on the machine after opening the front left or right door. • Make sure that the target color toner bottle is installed and the toner hopper cover is close. • Enter the SP mode, and then execute SP2-253-xxx.

• Code: 333
• Description: Toner supply error: C. The machine fails the toner filling up for a color after the toner end sensor detected "Toner Empty".
• Causes: • Toner condensation in the toner bottle • Toner stuck in the toner supply tube • Bent toner supply tube • Defective toner pump • Defective toner bottle motor
• Remedy: 1. Straighten the toner supply tube. 2. Replace the toner pump. 3. Replace the toner bottle motor, and then execute SP2-253-xxx. (-001: K, -002: C, -003: M, -004: Y, -005: YMC, -006: All colors) • When executing SP2-253-xxx, make sure the following conditions; • Fist, turn off and on the machine after opening the front left or right door. • Make sure that the target color toner bottle is installed and the toner hopper cover is close. • Enter the SP mode, and then execute SP2-253-xxx.

• Code: 334
• Description: Toner supply error: M. The machine fails the toner filling up for a color after the toner end sensor detected "Toner Empty".
• Causes: • Toner condensation in the toner bottle • Toner stuck in the toner supply tube • Bent toner supply tube • Defective toner pump • Defective toner bottle motor
• Remedy: 1. Straighten the toner supply tube. 2. Replace the toner pump. 3. Replace the toner bottle motor, and then execute SP2-253-xxx. (-001: K, -002: C, -003: M, -004: Y, -005: YMC, -006: All colors) • When executing SP2-253-xxx, make sure the following conditions; • Fist, turn off and on the machine after opening the front left or right door. • Make sure that the target color toner bottle is installed and the toner hopper cover is close. • Enter the SP mode, and then execute SP2-253-xxx.

• Code: 335
• Description: Toner supply error: Y. The machine fails the toner filling up for a color after the toner end sensor detected "Toner Empty".
• Causes: • Toner condensation in the toner bottle • Toner stuck in the toner supply tube • Bent toner supply tube • Defective toner pump • Defective toner bottle motor
• Remedy: 1. Straighten the toner supply tube. 2. Replace the toner pump. 3. Replace the toner bottle motor, and then execute SP2-253-xxx. (-001: K, -002: C, -003: M, -004: Y, -005: YMC, -006: All colors) • When executing SP2-253-xxx, make sure the following conditions; • Fist, turn off and on the machine after opening the front left or right door. • Make sure that the target color toner bottle is installed and the toner hopper cover is close. • Enter the SP mode, and then execute SP2-253-xxx.