• Code: 024-946 ... 024-949
• Description: Tray (1/ 2/ 3/ 4) Out of Place The system detected that Tray 1/ 2/ 3/ 4 was not installed. • 024-946: Tray 1 Out Of Place • 024-947: Tray 2 Out Of Place • 024-948: Tray 3 Out Of Place • 024-949: Tray 4 Out Of Place
• Causes: • Tray 1 Paper Size Switch, PL 2.1.6 • Tray Assembly 250, PL 2.1.11 • Tray Assembly 550, PL 15.1.1 • Tray 2/3/4 Paper Size Switch, PL 15.1.5
• Remedy: 1. Reseat the Tray. If the Tray is seated properly, check the Paper Size Switch in DC330 Component Control. If it works, replace the Tray. If it doesn't work, replace the Paper Size Switch. • Tray 1 Paper Size Switch • Tray 2/3/4 Paper Size Switch

• Code: 024-950
• Description: Tray 1 Error: Paper Empty The system detected that Tray 1 has no paper.
• Causes: • No Paper Sensor 250, PL 2.2.2 • Feeder Harness Assembly, PL 2.2.3 • MCU PWB, PL 12.1.5 • Main Harness Assembly, PL 12.3.1
• Remedy: 1. Check the paper in the Tray. Is the paper in the Tray loaded correctly? Go to step 2. Load the paper. 2. Check the No Paper Sensor 250 operation. Perform DC330 Component Control [071-101] to check the operation of the No Paper Sensor 250. Is the Sensor working properly? Replace the MCU PWB. Go to step 3. 3. Check the connection between the No Paper Sensor 250 and MCU PWB. Are the connectors P/J4652A, P/J4651A, and P/J465A connected securely? Go to step 4. Connect the connectors P/J4652A, P/J4651A, and P/J465A. 4. Check the conductivity between the No Paper Sensor 250 and Relay Connector. Is the connection between P/J4652A <=> P/J4651A conducting properly? Go to step 5. Replace the Feeder Harness Assembly. 5. Check the conductivity between the Relay Connector and MCU PWB. Is the connection between P/J4651A <=> P/J465A conducting properly? Go to step 6. Replace the Main Harness Assembly. 6. Check the voltage supply (+3.3VDC) to the No Paper Sensor 250. Measure the voltage between the MCU PWB GND <=> P/J465A-A1. Is there a voltage (approx. +3.3VDC) output? Replace the No Paper Sensor 250. Refer to +3.3VDC Power Troubleshooting.

• Code: 024-951, 024-952, 024-953
• Description: Tray 2/ 3/ 4 Error: Paper Empty The system detected that Tray 2/ 3/ 4 has no paper.
• Causes: • MCU PWB, PL 12.1.5 • Option Harness Assembly, PL 12.3.5 • Feeder No Paper Sensor, PL 15.2.8 • Option No Paper Feed Harness Assembly, PL 15.2.9 • Option Feeder 1 Relay Harness Assembly, PL 15.2.30 • Option Rear Feeder Harness Assembly, PL 15.2.32 • Feeder PWB, PL 15.2.33
• Remedy: 1. Check the paper in the Tray. Is the paper in the Tray loaded correctly? Go to step 2. Load the paper. 2. Check the Feeder No Paper Sensor operation. Perform DC330 Component Control to check the operation of the Feeder No Paper Sensor. • Tray 2 [071-122] • Tray 3 [071-123] • Tray 4 [071-124] Is the Sensor working properly? Replace the MCU PWB. Go to step 3. 3. Check the connection between the Feeder No Paper Sensor and Feeder PWB. Are the connectors P/J123, P/J612, and P/J421 connected securely? Go to step 4. Connect the connectors P/J123, P/J612, and P/J421. 4. Check the conductivity between Feeder No Paper Sensor and Relay Connector. Is the connection between P/J123 <=> P/J612 conducting properly? Go to step 5. Replace the Option No Paper Feed Harness Assembly. 5. Check the conductivity between the Relay Connector and Feeder PWB. Is the connection between P/J612 <=> P/J421 conducting properly? Go to step 6. Replace the Option Rear Feeder Harness Assembly. 6. Check the voltage supply (+3.3VDC) to the Feeder No Paper Sensor. Measure the voltage between the Feeder PWB GND <=> P/J421-3. Is there a voltage (approx. +3.3VDC) output? Replace the Feeder No Paper Sensor. Go to step 7. 7. Check the voltage supply (+3.3VDC) to the Feeder PWB. Measure the voltage between the Feeder PWB GND <=> P/J419-4. Is there a voltage (approx. +3.3VDC) output? Replace the Feeder PWB. Go to step 8. 8. Check the voltage output (+3.3VDC) from the MCU PWB. Measure the voltage between the MCU PWB GND <=> P/J461-7. Is there a voltage (approx. +3.3VDC) output? Go to step 9. Refer to +3.3VDC Power Troubleshooting. 9. Check the connection between the Feeder PWB and MCU PWB. Are the connectors P/J419, P/J4611, and P/J461 connected securely? Replace the following parts in sequence: • Option Feeder 1 Relay Harness Assembly • Option Harness Assembly Connect the connectors P/J419, P/J4611, and P/J461.

• Code: 024-954
• Description: Bypass Tray Error: Paper Empty The system detected that the Bypass Tray has no paper.
• Causes: • Front Harness Assembly, PL 4.2.11 • Bypass Tray No Paper Sensor, PL 4.4.3 • MCU PWB, PL 12.1.5 • Main Harness Assembly, PL 12.3.1
• Remedy: 1. Check the Bypass Tray No Paper Sensor operation. Perform DC330 Component Control [071-100] to check the operation of the Bypass Tray No Paper Sensor. Is the Sensor working properly? Replace the MCU PWB. Go to step 2. 2. Check the connection of the Bypass Tray No Paper Sensor. Check the connection between the Bypass Tray No Paper Sensor and MCU PWB. Are the connectors P/J4752, P/J4751, and P/J475 connected securely? Go to Step 3 Connect the connectors P/J4752, P/J4751, and P/J475. 3. Check the conductivity between the Bypass Tray No Paper Sensor and Relay Connector. Is the connection between P/J4752 <=> P/J4751 conducting properly? Go to step 4. Replace the Front Harness Assembly. 4. Check the conductivity between the Relay Connector and MCU PWB. Is the connection between P/J4751 <=> P/J475 conducting properly? Go to step 5. Replace the Main Harness Assembly. 5. Check the voltage supply (+3.3VDC) to the Bypass Tray No Paper Sensor. Measure the voltage between the MCU PWB GND <=> P/J475-1. Is there a voltage (approx. +3.3VDC) output? Replace the Bypass Tray No Paper Sensor). Refer to +3.3VDC Power Troubleshooting.

• Code: 024-958
• Description: Bypass Tray Size Mismatch The paper size in the Bypass Tray and the paper size specified for printing are different.
• Causes:
• Remedy: 1. Load the correct paper into the appropriate tray. 2. If the problem persists, go to Sensor Troubleshooting. 3. If the problem persists, go to Common Job Fail.

• Code: 024-963
• Description: (Y/ M/ C) Toner Cartridge Error: Life End Toner (Y/ M/ C/ K) error has occurred due to one of the following problems. • Printing cannot be continued during color printing because (Y/ M/ C) toner has run out. Or, color printing was specified when printing cannot be continued because (Y/ M/ C) toner has run out. • Toner K is Empty and any of the Toner YMC is also Empty. • 093-963: Plural Toner Empty
• Causes: • Toner Cartridge (Y/ M/ C), PL 8.1.1 - PL 8.1.3
• Remedy: 1. Replace the Toner Cartridge (Y/ M/ C)).

• Code: 024-965
• Description: ATS/ APS No Paper (IOTsc Detect) The paper specified for printing is not loaded in the Tray.
• Causes:
• Remedy: 1. Load the correct paper into the appropriate tray. 2. If the problem persists, go to Sensor Troubleshooting. 3. If the problem persists, go to Common Job Fail.

• Code: 024-966
• Description: ATS/ APS No Destination Error The paper specified for printing cannot be detected.
• Causes:
• Remedy: 1. Change the settings. 2. Replace the Tray. 3. If the problem persists, go to Sensor Troubleshooting. 4. If the problem persists, go to Common Job Fail.