Remedy: 1. Check the amount of waste toner in the Waste Cartridge. Is the Waste Cartridge fulled? Replace the Waste Cartridge. Go to step 2. 2. Check the Waste Cartridge Full Sensor for contamination and debris. Is there any contamination or debris on the Waste Cartridge Full Sensor? Clean the Waste Cartridge Full Sensor. Go to step 3. 3. Check the Waste Cartridge Full Sensor operation. Perform DC330 Component Control [093-209] to check the operation of the Waste Cartridge Full Sensor. Is the Waste Cartridge Full Sensor working properly? Replace the MCU PWB. Go to step 4. 4. Check the installation of Waste Cartridge Full Sensor. Is the Waste Cartridge Full Sensor installed properly? Go to step 5. Reinstall the Waste Cartridge Full Sensor. 5. Check the connection between the Waste Cartridge Full Sensor and MCU PWB. Are the connectors P/J4686, P/J4685, P/J4681A, and P/J468A connected securely? Go to step 6. Connect the connectors P/J4686, P/J4685, P/J4681A, and P/J468A. 6. Check the conductivity between the Waste Cartridge Full Sensor and Relay Connector. Is the connection between P/J4686 <=> P/J4685 conducting properly? Go to step 7. Replace the IBT Unit. 7. Check the conductivity between the Relay Connector and Relay Connector. Is the connection between P/J4685 <=> P/J4681A conducting properly? Go to step 8. Replace the Top Harness Assembly. 8. Check the conductivity between the Relay Connector and MCU PWB. Is the connection between P/J4681A <=> P/J468A conducting properly? Go to step 9. Replace the Main Harness Assembly. 9. Check the voltage supply (+5VDC) to the Waste Cartridge Full Sensor. Measure the voltage between the MCU PWB GND <=> J468A-A10. Is there a voltage (approx. +5VDC) output? Replace the IBT Unit. Go to +5VDC Power Troubleshooting.
Code: 091-914, 091-915
Description: (K) Imaging Unit Error: Error Imaging Unit error has occurred due to one of the following problems. • Communication error of the CRUM for the Imaging Unit. • CRUM failure for Imaging Unit K • 091-914: Imaging Unit (K) CRUM Communication Fail • 091-915: Imaging Unit (K) CRUM Data Broken Fail
Causes: • Imaging Unit (K), PL 6.1.4 • Imaging Unit CRUM Connector Assembly, PL 6.1.6 • CRUM X Harness Assembly (K), PL 6.1.14 • MCU PWB, PL 12.1.15 • Main Harness Assembly, PL 12.3.1
Remedy: 1. Check the installation of the Imaging Unit (K)). Is the Imaging Unit (K) installed properly, with no debris at the contact point between the Imaging Unit CRUM Connector Assembly and CRUM PWB in the Imaging Unit (K)? Go to step 2. Reinstall the Imaging Unit (K). 2. Check the CRUM PWB part of the Imaging Unit (K). Is the connection terminal of the CRUM PWB part in the Imaging Unit (K) damaged? Replace the Imaging Unit (K)). Go to step 3. 3. Check the Imaging Unit CRUM Connector Assembly. Is the connection terminal of the Imaging Unit CRUM Connector Assembly damaged? Replace the Imaging Unit CRUM Connector Assembly. Go to step 4. 4. Check the connection between the Imaging Unit CRUM Connector Assembly and MCU PWB. Are the connectors P/J4762, P/J4761, and P/J476 connected securely? Go to step 5. Connect the connectors P/J4762, P/J4761, and P/J476. 5. Check the conductivity between the Imaging Unit CRUM Connector Assembly and Relay Connector. Is the connection between P/J4762 <=> P/J4761 conducting properly? Go to step 6. Replace the Imaging Unit CRUM Connector Assembly. 6. Check the conductivity between the Relay Connector and MCU PWB. Is the connection between P/J4761 <=> P/J476 conducting properly? Replace the MCU PWB. Replace the Main Harness Assembly.
Code: 091-916
Description: (K) Imaging Unit CRUM Data Mismatch Fail A Imaging Unit that's meant for another region is being used (ID number mismatch). Incorrect Data in the CRUM Authentication Area.
Causes: • Imaging Unit (K), PL 6.1.4
Remedy: 1. Check the installation of the Imaging Unit (K)). Is there an Imaging Unit other than for (K) color installed? Or, is there an Imaging Unit for other than this printer installed? Replace the Imaging Unit (K)). Reinstall the Imaging Unit (K).
Code: 091-917, 091-920
Description: (Y) Imaging Unit Error: Error Imaging Unit (Y) error has occurred due to one of the following problems. • Communication error of the CRUM for Imaging Unit (Y) • CRUM failure for Imaging Unit (Y). The data written to the Imaging Unit (Y) CRUM and the data read from the Imaging Unit (Y) CRUM do not match. • 091-917: Imaging Unit Y CRUM Communication Fail • 091-920: Imaging Unit Y CRUM Data Broken Fail
Causes: • Imaging Unit (Y/ M/ C), PL 6.1.1 • Imaging Unit CRUM Connector Assembly, PL 6.1.6 • CRUM X Harness Assembly (Y/ M/ C), PL 6.1.15 • MCU PWB, PL 12.1.15 • Main Harness Assembly, PL 12.3.1
Remedy: 1. Check the installation of the Imaging Unit). Is the Imaging Unit (Y) installed properly, with no debris at the contact point between the Imaging Unit CRUM Connector Assembly and the CRUM PWB in the Imaging Unit (Y)? Go to step 2. Reinstall the Imaging Unit (Y). 2. Check the CRUM PWB part of the Imaging Unit. Is the connection terminal of the CRUM PWB part in the Imaging Unit (Y) damaged? Replace the Imaging Unit (Y)). Go to step 3. 3. Check the Imaging Unit CRUM Connector Assembly. Is the connection terminal of the Imaging Unit CRUM Connector Assembly damaged? Replace the Imaging Unit CRUM Connector Assembly. Go to step 4. 4. Check the connection between the Imaging Unit CRUM Connector Assembly and MCU PWB. Are the connectors P/J4552, P/J4551, and P/J455 connected securely? Go to step 5. Connect the connectors P/J4552, P/J4551, and P/J455. 5. Check the conductivity between the Imaging Unit CRUM Connector Assembly and Relay Connector. Is the connection between P/J4552 <=> P/J4551 conducting properly? Go to step 6. Replace the CRUM X Harness Assembly (Y/ M/ C). 6. Check the conductivity between the Relay Connector and MCU PWB. Is the connection between P/J4551 <=> P/J455 conducting properly? Replace the MCU PWB. Replace the Main Harness Assembly.
Code: 091-918, 091-922
Description: (M) Imaging Unit Error: Error Imaging Unit (M) error has occurred due to one of the following problems. • Communication error of the CRUM for Imaging Unit M. • The data written to the Imaging Unit (M) CRUM and the data read from the Imaging Unit (M) CRUM do not match.
Causes: • Imaging Unit (Y/ M/ C), PL 6.1.1 • Imaging Unit CRUM Connector Assembly, PL 6.1.6 • CRUM X Harness Assembly (Y/ M/ C), PL 6.1.15 • MCU PWB, PL 12.1.15 • Main Harness Assembly, PL 12.3.1
Remedy: 1. Check the installation of the Imaging Unit (M)). Is the Imaging Unit (M) installed properly, with no debris at the contact point between the Imaging Unit CRUM Connector Assembly and the CRUM PWB in the Imaging Unit (M)? Go to step 2. Reinstall the Imaging Unit (M). 2. Check the CRUM PWB part of the Imaging Unit. Is the connection terminal of the CRUM PWB part in the Imaging Unit (M) damaged? Replace the Imaging Unit (M)). Go to step 3. 3. Check the Imaging Unit CRUM Connector Assembly. Is the connection terminal of the Imaging Unit CRUM Connector Assembly damaged? Replace the Imaging Unit CRUM Connector Assembly. Go to step 4. 4. Check the connection between the Imaging Unit CRUM Connector Assembly and the MCU PWB. Are the connectors P/J4553, P/J4551, and P/J455 connected securely? Go to step 5. Connect the connectors P/J4553, P/J4551, and P/J455. 5. Check the conductivity between the Imaging Unit CRUM Connector Assembly and Relay Connector. Is the connection between P/J4553 <=> P/J4551 conducting properly? Go to step 6. Replace the CRUM X Harness Assembly (Y/ M/ C). 6. Check the conductivity between the Relay Connector and MCU PWB. Is the connection between P/J4551 <=> P/J455 conducting properly? Replace the MCU PWB. Replace the Main Harness Assembly.
Code: 091-919, 091-923
Description: (C) Imaging Unit Error: Error Imaging Unit (C) error has occurred due to one of the following problems. • Communication error of the CRUM for Imaging Unit (C). • CRUM failure for Imaging Unit (C). The data written to the Imaging Unit (C) CRUM and the data read from the Imaging Unit (C) CRUM do not match. • 091-919: Imaging Unit C CRUM Communication Fail • 091-923: Imaging Unit C CRUM Data Broken Fail
Causes: • Imaging Unit (Y/ M/ C), PL 6.1.1 • Imaging Unit CRUM Connector Assembly, PL 6.1.6 • CRUM X Harness Assembly (Y/ M/ C), PL 6.1.15 • MCU PWB, PL 12.1.15 • Main Harness Assembly, PL 12.3.1
Remedy: 1. Check the installation of the Imaging Unit). Is the Imaging Unit (C) installed properly, with no debris at the contact point between the Imaging Unit CRUM Connector Assembly and the CRUM PWB in the Imaging Unit (C)? Go to step 2. Reinstall the Imaging Unit (C). 2. Check the CRUM PWB part of the Imaging Unit. Is the connection terminal of the CRUM PWB part in the Imaging Unit (C) damaged? Replace the Imaging Unit (C)). Go to step 3. 3. Check the Imaging Unit CRUM Connector Assembly. Is the connection terminal of the Imaging Unit CRUM Connector Assembly damaged? Replace the Imaging Unit CRUM Connector Assembly. Go to step 4. 4. Check the connection between the Imaging Unit CRUM Connector Assembly and the MCU PWB. Are the connectors P/J4554, P/J4551, and P/J455 connected securely? Go to step 5. Connect the connectors P/J4554, P/J4551, and P/J455. 5. Check the conductivity between the Imaging Unit CRUM Connector Assembly and Relay Connector. Is the connection between P/J4554 <=> P/J4551 conducting properly? Go to step 6. Replace the CRUM X Harness Assembly (Y/ M/ C). 6. Check the conductivity between the Relay Connector and MCU PWB. Is the connection between P/J4551 <=> P/J455 conducting properly? Replace the MCU PWB. Replace the Main Harness Assembly.
Code: 091-921
Description: (K) Imaging Unit Error: Detached The Imaging Unit (K) CRUM is not in the proper position (loose CRUM).
Causes: • Imaging Unit (K), PL 6.1.4
Remedy: 1. Reinstall the Imaging Unit (K)).
Code: 091-927, 091-928, 091-929
Description: (Y/ M/ C) Imaging Unit Error: Detached The (Y/ M/ C) Imaging Unit CRUM is loose. • 091-927: Imaging Unit Y CRUM Not Position • 091-928: Imaging Unit M CRUM Not Position • 091-929: Imaging Unit C CRUM Not Position