Display: Y - CRUM Error Error 093-950 Restart Printer
Description: <CRU CRUM Error> The toner Smart Chip error is detected.
Remedy: 1 Check toner cartridge installation. Is the yellow toner cartridge installed correctly? Go to step 3. Reinstall the yellow toner cartridge, then go to step 2. 2 Does the error still occur when the power is turned on? Go to step 3. Problem resolved. 3 Is the yellow toner cartridge the correct cartridge for this MFP? Go to step 4. Install the correct toner yellow cartridge. 4 Check the toner Smart Chip contact for proper installation. Is the toner Smart Chip contact installed correctly? Go to step 5 Reinstall the toner Smart Chip contact. See “Smart Chip contact removal”. Then go to step 5. 5 Check the P/J31 and P/J314 connectors between the controller board and the toner Smart Chip contact. Are the connectors (P/J31 and P/J314) connected correctly? Go to step 6. Reconnect the P/J31 and/or P/J314 connectors securely, then go to step 6. 6 Replace the yellow toner cartridge. See “Toner cartridge removal”. Does the error still occur when the power is turned on? Replace the controller board. See “Controller board removal”. Problem resolved.
Code: 093-951
Display: M - CRUM Error Error 093-951 Restart Printer
Description: <CRU CRUM Error> The toner Smart Chip error is detected.
Remedy: 1 Check toner cartridge installation. Is the magenta toner cartridge installed correctly? Go to step 3. Reinstall the magenta toner cartridge, then go to step 2. 2 Does the error still occur when the power is turned on? Go to step 3. Problem resolved. 3 Is the magenta toner cartridge the correct cartridge for this MFP? Go to step 4. Install the correct toner magenta cartridge. 4 Check the toner Smart Chip contact for proper installation. Is the toner Smart Chip contact installed correctly? Go to step 5 Reinstall the toner Smart Chip contact. See “Smart Chip contact removal”. Then go to step 5. 5 Check the P/J31 and P/J314 connectors between the controller board and the toner Smart Chip contact. Are the connectors (P/J31 and P/J314) connected correctly? Go to step 6. Reconnect the P/J31 and/or P/J314 connectors securely, then go to step 6. 6 Replace the magenta toner cartridge. See “Toner cartridge removal”. Does the error still occur when the power is turned on? Replace the controller board. See “Controller board removal”. Problem resolved.
Code: 093-952
Display: C - CRUM Error Error 093-952 Restart Printer
Description: <CRU CRUM Error> The toner Smart Chip error is detected.
Remedy: 1 Check toner cartridge installation. Is the cyan toner cartridge installed correctly? Go to step 3. Reinstall the cyan toner cartridge, then go to step 2. 2 Does the error still occur when the power is turned on? Go to step 3. Problem resolved. 3 Is the cyan toner cartridge the correct cartridge for this MFP? Go to step 4. Install the correct toner cyan cartridge. 4 Check the toner Smart Chip contact for proper installation. Is the toner Smart Chip contact installed correctly? Go to step 5. Reinstall the toner Smart Chip contact. See “Smart Chip contact removal”. Then go to step 5. 5 Check the P/J31 and P/J314 connectors between the controller board and the toner Smart Chip contact. Are the connectors (P/J31 and P/J314) connected correctly? Go to step 6. Reconnect the P/J31 and/or P/J314 connectors securely, then go to step 6. 6 Replace the cyan toner cartridge. See “Toner cartridge removal”. Does the error still occur when the power is turned on? Replace the controller board. See “Controller board removal”. Problem resolved.
Description: <IOT Y CRU Detached> The yellow toner cartridge detached is detected.
Remedy: 1 Check that the yellow toner cartridge is correctly installed and in the yellow position. Is the yellow toner cartridge installed correctly? Go to step 3. Go to step 2. 2 Reinstall the toner cartridge. Does the error still occur when the power is turned on? Go to step 3. Problem resolved. 3 Replace the yellow toner cartridge. Does the error still occur when the power is turned on? Go to step 4. Problem resolved. 4 Check the toner sensor: 1. In Service Mode, select Printer Diag, and press OK. 2. Select Engine Diag, and press OK. 3. Select Sensor Test, and press OK. 4. Select CRU Sensor Y. OFF appears on the display. 5. Open the front cover. 6. Press OK to begin the test. 7. Toggle the yellow CRU sensor by opening the front cover and removing and replacing the yellow toner cartridge. If the sensor is functional, the initial L - O increments by one whenever the sensor is activated. Does the number on the screen increase by one every time the toner cartridge is reinstalled? Replace the controller board. See “Controller board removal”. Go to step 5. 5 Check the P/J19 and P/J191connectors between the controller board and toner cartridge assembly. Are the connectors (P/J19 and P/J191) connected securely? Go to step 6. Reconnect the connector(s) P/J19 and/or P/J191, then go to step 6. 6 Does the error still occur when the power is turned on? Go to step 7. Problem resolved. 7 Disconnect the P/J19 connector on the controller board. Measure the voltage between J19-1 pin and the J19-2 pin. The voltage should measure approximately +3.3 V dc. Is the voltage between J19-1 and J19-2 pins approximately +3.3 V dc? Go to step 8. Replace the controller board. See “Controller board removal”.
Description: <IOT M CRU Detached> The magenta toner cartridge detached is detected.
Remedy: 1 Check that the magenta toner cartridge is correctly installed and in the magenta position. Is the magenta toner cartridge installed correctly? Go to step 3. Go to step 2. 2 Reinstall the toner cartridge. Does the error still occur when the power is turned on? Go to step 3. Problem resolved. 3 Replace the magenta toner cartridge. Does the error still occur when the power is turned on? Go to step 4. Problem resolved. 4 Check the toner sensor: 1. In Service Mode, select Printer Diag. 2. Select Engine Diag, and press OK. 3. Select Sensor Test, and press OK. 4. Select CRU Sensor M. OFF appears on the display. 5. Open the front cover. 6. Press OK to begin the test. 7. Toggle the magenta CRU sensor by opening the front cover and removing and replacing the magenta toner cartridge. If the sensor is functional, the initial L - O increments by one whenever the sensor is activated. Does the number on the screen increase by one every time the toner cartridge is reinstalled? Replace the controller board. See “Controller board removal”. Go to step 5. 5 Check the P/J19 and P/J192 connectors between the controller board and toner cartridge assembly. Are the connectors (P/J19 and P/J191) connected securely? Go to step 6. Reconnect the connector(s) P/J19 and/or P/J192, then go to step 6. 6 Does the error still occur when the power is turned on? Go to step 7. Problem resolved.
Description: <IOT C CRU Detached> The cyan toner cartridge detached is detected.
Remedy: 1 Check that the cyan toner cartridge is correctly installed and in the cyan position? Is the cyan toner cartridge installed correctly? Go to step 3. Go to step 2. 2 Reinstall the toner cartridge. Does the error still occur when the power is turned on? Go to step 3. Problem resolved. 3 Replace the cyan toner cartridge. Does the error still occur when the power is turned on? Go to step 4. Problem resolved. 4 Check the toner sensor: 1. In Service Mode, select Printer Diag. 2. Select Engine Diag, and press OK. 3. Select Sensor Test, and press OK. 4. Select CRU Sensor C. OFF appears on the display. 5. Open the front cover. 6. Press OK to begin the test. 7. Toggle the cyan CRU sensor by opening the front cover and removing and replacing the cyan toner cartridge. If the sensor is functional, the initial L - O increments by one whenever the sensor is activated. Does the number on the screen increase by one every time the toner cartridge is reinstalled? Replace the controller board. See “Controller board removal”. Go to step 5. 5 Check the P/J19 and P/J194 connectors between the controller board and toner cartridge assembly. Are the connectors (P/J19 and P/J194) connected securely? Go to step 6. Reconnect the connector(s) P/J19 and/or P/J192, then go to step 6. 6 Does the error still occur when the power is turned on? Go to step 7. Problem resolved. 7 Disconnect the P/J19 connector on the controller board. Measure the voltage between J19-10 pin and the J19-11 pin. The voltage should measure approximately +3.3 V dc. Is the voltage between J19-10 and J19-11 pins approximately +3.3 V dc? Go to step 8. Replace the controller board. See “Controller board removal”. 8 Measure the voltage across ground and the P/J19-12 pin. Check that the voltage changes when the paper is inserted into the sensor detecting point. Does the voltage change when paper is inserted? Replace the controller board. See “Controller board removal”. Replace the toner sensor assembly. See “Toner sensor assembly (cyan, magenta, yellow) removal”.