Description: ADC Sensor Error (Low Density) The ADC Sensor has detected low density error.
Causes: • Front Cover Harness, PL1.2.11 • Transfer Unit, PL4.1.1 • Laser Unit, PL5.1.2 • Print Cartridge (C/M/Y/K), PL5.1.18-21 • Main Drive Assembly, PL8.1.2 • MCU Board, PL9.1.20 • Right Side Harness, PL10.1.15
Remedy: 1 1. Check the detailed error code on the Control Panel (press the Up and Down buttons simultaneously). 2. Does code “02” display on the Control Panel? Go to step 3. Go to step 13. 2 1. Check the Transfer Unit for correct installation. 2. Is the Transfer Unit correctly installed? Go to step 4. Reseat the Transfer Unit. Go to step 3. 3 Does the error still occur? Go to step 4. Complete. 4 1. Check the Print Cartridges for correct installation. 2. Are the Print Cartridges correctly installed? Go to step 6. Reseat the Print Cartridge(s). Go to step 5. 5 Does the error still occur? Go to step 6. Complete. 6 1. Check the toner density. Perform Gradation Test Print: Service Mode > Test Print > Gradation ESS. 2. Compare the density of four colors toner. Is there dark color on the print? Go to step 7. Replace the MCU Board. 7 Check the Solenoid in the Transfer Unit for operation. 1. Perform the ADC Sensor Solenoid test: Service Mode > Engine Diag > Motor Test > ADC (CTD) Sensor Solenoid. 2. Perform the ADC Sensor LED test: Service Mode > Engine Diag > Motor Test > ADC (CTD) Sensor LED. 3. Does the ADC Sensor operate properly? Go to step 12. Go to step 8. 8 1. Check the wiring harness connectors P/J27, P/J272, and P/ J2721 between the MCU Board and the Transfer Unit. 2. Are the connectors securely connected? Go to step 9. Reconnect the connectors. Go to step 9. 9 Check the Front Cover Harness for continuity. 1. Disconnect P/J2721 from the Transfer Unit and P/J272 from the Right Side Harness. 2. Check continuity between P/J2721 <=> P/J272. Go to step 10. Replace the Front Cover Harness. 10 Check the Right Side Harness for continuity. 1. Disconnect P/J27 from the MCU Board and P/J272 from the Front Cover Harness. 2. Check continuity between P/J27 <=> P/J272. Go to step 11. Replace the Right Side Harness. 11 Check the ADC Sensor signal. 1. Disconnect P/J27 from the MCU Board. 2. Is there +5 V across ground <=> J27-7 pin? Replace the Transfer Unit. Replace the MCU Board. 12 1. Replace the corresponding Print Cartridge. 2. Does the error still occur? Replace the Laser Unit. Complete. 13 1. Check the detailed error code on the Control Panel (press the Up and Down buttons simultaneously). 2. Does code “01” display on the Control Panel? Go to step 14. Go to step 1. 14 1. Check the Transfer Unit for correct installation. 2. Is the Transfer Unit correctly installed? Go to step 16. Reseat the Transfer Unit. Go to step 15. 15 Does the error still occur? Go to step 16. Complete. 16 1. Check the toner density. Perform Gradation Test Print: Service Mode > Test Print > Gradation ESS. 2. Compare the density of four colors toner. Is there dark color on the print? Go to step 17. Replace the MCU Board. 17 Check the Solenoid in the Transfer Unit for operation. 1. Perform the ADC Sensor Solenoid test: Service Mode > Engine Diag > Motor Test > ADC (CTD) Sensor Solenoid. 2. Perform the ADC Sensor LED test: Service Mode > Engine Diag > Motor Test > ADC (CTD) Sensor LED. 3. Does the ADC Sensor operate properly? Replace the corresponding Print Cartridge. Go to step 18. 18 1. Check the wiring harness connectors P/J27, P/J272, and P/ J2721 between the MCU Board and the Transfer Unit. 2. Are the connectors securely connected? Go to step 19. Reconnect the connectors. Go to step 19. 19 Check the Front Cover Harness for continuity. 1. Disconnect P/J2721 from the Transfer Unit and P/J272 from the Right Side Harness. 2. Check continuity between P/J2721 <=> P/J272. Go to step 20. Replace the Front Cover Harness. 20 Check the Right Side Harness for continuity. 1. Disconnect P/J27 from the MCU Board and P/J272 from the Front Cover Harness. 2. Check continuity between P/J27 <=> P/J272. Go to step 21. Replace the Right Side Harness. 21 Check the ADC Sensor signal. 1. Disconnect P/J27 from the MCU Board. 2. Is there +5 V across ground <=> J27-7 pin? Replace the Transfer Unit. Replace the MCU Board
Code: 092-661
Description: Environmental (Humidity) Sensor Error The Environmental Sensor has detected temperature error.
Remedy: 1 1. Check the Humidity/Temperature Sensor for correct installation. 2. Is the Humidity Sensor correctly installed? Go to step 2. Reseat the Humidity Sensor. Go to step 2. 2 Does the error still occur? Go to step 3. Complete. 3 1. Check the wiring harness connectors P/J26 and P/J261 between the MCU Board and the Humidity Sensor. 2. Are the connectors securely connected? Go to step 4. Reconnect the connectors. Go to step 4. 4 Check the Humidity Harness for continuity. 1. Disconnect P/J26 from the MCU Board and P/J261 from the Humidity Sensor. 2. Check continuity between P/J26 <=> P/J261. Go to step 5. Replace the Humidity Harness. 5 Check the Humidity Sensor signal. 1. Disconnect P/J26 from the MCU Board. 2. Is there +5 V across ground <=> J26-4? Replace the Humidity Sensor. Replace the MCU Board.
Code: 093-423 ... 093-426
Description: Print Cartridge Near Life (Yellow/Magenta/Cyan/Black) The Print Cartridge (Yellow/Magenta,/Cyan/Black) is near or has reached its end of life. • Chain Link 093-423: Yellow Print Cartridge Near Life • Chain Link 093-424: Magenta Print Cartridge Near Life • Chain Link 093-425: Cyan Print Cartridge Near Life • Chain Link 093-426: Black Print Cartridge Near Life
Remedy: 1 1. Check the Print Cartridge for correct installation. 2. Is the Print Cartridge correctly installed? Go to step 3. Reseat the Print Cartridge. Go to step 2. 2 Does the error still occur? Go to step 3. Complete. 3 1. Replace the Print Cartridge. 2. Does the error still occur? Replace the MCU Board. Complete.
Code: 093-919 ... 093-922
Description: Check Cartridge (Yellow/Magenta/Cyan/Black) The Print Cartridge (Yellow/Magenta/Cyan/Black) tape was not removed when a new Print Cartridge is installed. • Chain Link 093-919: IOT Yellow Cartridge Tape Staying • Chain Link 093-920: IOT Magenta Cartridge Tape Staying • Chain Link 093-921: IOT Cyan Cartridge Tape Staying • Chain Link 093-922: IOT Black Cartridge Tape Staying
Remedy: 1 1. Check the Print Cartridge tape. 2. Has the tape been removed? Go to step 2. Remove the tape on the Print Cartridge. Go to step 2. 2 Does the error still occur? Go to step 3. Complete. 3 1. Replace the Print Cartridge. 2. Does the error still occur? Go to step 4. Complete. 4 Perform the Toner Motor test: Service Mode > Engine Diag > Motor Test > Toner Motor. While testing the Toner Motor, close the Interlock Harness. • Yellow Toner Motor • Magenta Toner Motor • Cyan Toner Motor • Black Toner Motor Check the gear of the Auger for damage. If the gear is damaged, replace the Dispenser Assembly. Go to step 5. 5 1. Check the Dispenser wiring harness connectors. • Yellow: P/J18 and P/J181 • Magenta: P/J18 and P/J182 • Black: P/J18 and P/J183 • Cyan: P/J18 and P/J184 2. Are the connectors securely connected? Go to step 6. Reconnect the connectors. Go to step 6. 6 Does the error still occur? Go to step 7. Complete. 7 Check the Top LV Harness for continuity. 1. Disconnect P/J Harnesses. • Yellow: P/J18 from the MCU Board and P/J181 from the Dispenser Assembly • Magenta: P/J18 from the MCU Board and P/J182 from the Dispenser Assembly • Black: P/J18 from the MCU Board and P/J183 from the Dispenser Assembly • Cyan: P/J18 from the MCU Board and P/J184 from the Dispenser Assembly 2. Check continuity between P/J connectors: • Yellow: P/J18 <=> P/J181 • Magenta: P/J18 <=> P/J182 • Black: P/J18 <=> P/J183 • Cyan: P/J18 <=> P/J184 Go to step 8. Complete. 8 Check the Dispenser Assembly signal. 1. Disconnect P/J18 from the MCU Board. 2.When the Interlock Switch is activated, is there +24 V across: • Ground <=> P/J18-A1/P/J18-A2 pin (Yellow) • Ground <=> P/J18-A7/P/J18-A8 pin (Magenta) • Ground <=> P/J18-B1/P/J18-B2 pin (Black) • Ground <=> P/J18-B7/P/J18-B8 pin (Cyan) Replace the Dispenser Assembly. Replace the MCU Board.
Code: 093-925
Description: Print Cartridge CRUM Error (Yellow/Magenta/Cyan/Black) The Print Cartridge CRUM communication is detected. • Chain Link 093-925: Black CRU CRUM Error
Remedy: 1 1. Check the Print Cartridge for correct installation. 2. Is the Print Cartridge correctly installed? Go to step 3. Reseat the Print Cartridge. Go to step 2. 2 Does the error still occur? Go to step 3. Complete. 3 1. Check the CRUM Connector for correct installation. 2. Is the connector securely connected? Go to step 4. Reseat the CRUM Connector. Go to step 4. 4 1. Check the wiring harness connectors between the CRUM Connector and the MCU Board. • Yellow: P/J31 and P/J311 • Magenta: P/J31 and P/J312 • Cyan: P/J31 and P/J313 • Black: P/J31 and P/J314 2. Are the connectors securely connected? Go to step 5. Reconnect the connectors. Go to step 5. 5 Check the CRUM Harness for continuity. 1. Disconnect the wiring harnesses from the Connector CRUM and MCU Board. • Yellow: P/J31 and P/J311 • Magenta: P/J31 and P/J312 • Cyan: P/J31 and P/J313 • Black: P/J31 and P/J314 2. Check continuity between P/J connectors: • Yellow: P/J31 <=> P/J311 • Magenta: P/J31 <=> P/J312 • Cyan: P/J31 <=> P/J313 • Black: P/J31 <=> P/J314 Go to step 6. Replace the CRUM Harness. 6 1. Check the CRUM Connector for damages. 2. Is the CRUM Connector damaged? Replace the CRUM Connector. Go to step 7. 7 1. Replace the CRUM Connector. 2. Does the error still occur? Go to step 8. Complete. 8 1. Replace the Print Cartridge. 2. Does the error still occur? Replace the MCU Board. Complete.
Code: 093-926, 191-700
Description: Print Cartridge CRUM ID Error (Yellow/Magenta/Cyan/Black) The Print Cartridge CRUM ID error indicates that a non-Xerox Print Cartridge is installed. • Chain Link 093-926: Non-Xerox Toner, Invalid Black • Chain Link 191-700: Non-Xerox Toner
Remedy: 1 1. Check the Print Cartridge for correct installation. 2. Is the Print Cartridge correctly installed? Go to step 3. Reinstall the Print Cartridge. Go to step 2. 2 Does the error still occur? Go to step 3. Complete. 3 1. Reseat the Print Cartridge. 2. Does the error still occur? Go to step 4. Complete. 4 1. Replace the Print Cartridge. 2. Does the error still occur? Replace the MCU Board. Complete.
Code: 093-930 ... 093-933
Description: Replace Print Cartridge (Yellow/Magenta/Cyan/Black) The Print Cartridge (Yellow/Magenta,/Cyan/Black) has reached its end of life. • Chain Link 093-930: IOT Yellow Cartridge Life Over • Chain Link 093-931: IOT Magenta Cartridge Life Over • Chain Link 093-932: IOT Cyan Cartridge Life Over • Chain Link 093-933: IOT Black Cartridge Life Over
Remedy: 1 1. Check the Print Cartridge for correct installation. 2. Is the Print Cartridge correctly installed? Go to step 3. Reseat the Print Cartridge. Go to step 2. 2 Does the error still occur? Go to step 3. Complete. 3 1. Replace the Print Cartridge. 2. Does the error still occur? Replace the MCU Board. Complete.
Code: 093-935 ... 093-93
Description: Empty Print Cartridge (Yellow/Magenta/Cyan/Black) The Print Cartridge has reached its end of life. • Chain Link 093-935: IOT Yellow Cartridge Life Over Detect by Counter • Chain Link 093-936: IOT Magenta Cartridge Life Over Detect by Counter • Chain Link 093-937: IOT Cyan Cartridge Life Over Detect by Counter • Chain Link 093-938: IOT Black Cartridge Life Over Detect by Counter
Remedy: 1 1. Check the Print Cartridge for correct installation. 2. Is the Print Cartridge correctly installed? Go to step 3. Reseat the Print Cartridge. Go to step 2. 2 Does the error still occur? Go to step 3. Complete. 3 1. Replace the Print Cartridge. 2. Does the error still occur? Replace the MCU Board. Complete.
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