• Code: 132.03
• Description: Service engine error ATC sensor(M) failure
• Remedy: 1 Check the path from the toner cartridge to the developer. Is the above component free from obstacles? Go to step 2. Remove the toner blockages, including internal clogs inside the developer and toner cartridge. 2 Check the ATC sensor PCB. Is the above component properly connected? Go to step 3. Replace the connections. 3 Remove the ATC sensor PCB. Go to “ATC sensor PCB removal” . Does the error remain? Go to step 4. Problem resolved 4 Check the toner dispense motor for proper operation. When performing motor tests, ensure that all cover and door interlock switches are overridden. 1.Enter the Diagnostics Menu. 2.Touch MOTOR TESTS. 3.Touch PRINTER MOTOR TESTS. 4.Touch M toner dispense motor. Does the above component operate properly? Go to step 6. Go to step 5. 5 Check the toner dispense motor for proper connection. Is the above component properly connected? Replace the toner dispense motor. Go to “Toner dispense motor removal” . Replace the connections. 6 Check the developer motor for proper operation. When performing motor tests, ensure that all cover and door interlock switches are overridden. 1.Enter the Diagnostics Menu. 2.Touch MOTOR TESTS. 3.Touch PRINTER MOTOR TESTS. 4.Touch Developer motor. Does the above component operate properly? Go to step 8. Go to step 7. 7 Check the developer motor for proper connection. Is the above component properly connected? Replace the PC/developer drive motor. Go to “PC/developer drive motor removal” . Replace the connection. 8 POR the machine. Does the error continue? Replace the lower engine PCBA. Go to “Lower engine PCBA removal” . Go to step 9. Problem resolved 9 POR the machine. Does the error continue? Replace the upper printer engine PCBA. Go to “Upper printer engine PCBA removal” . Problem resolved

• Code: 132.03
• Description: Service engine error ATC sensor(M) failure
• Remedy: 1 Check the path from the toner cartridge to the developer. Is the above component free from obstacles? Go to step 2. Remove the toner blockages, including internal clogs inside the developer and toner cartridge. 2 Check the ATC sensor PCB. Is the above component properly connected? Go to step 3. Replace the connections. 3 Remove the ATC sensor PCB. Go to “ATC sensor PCB removal” . Does the error remain? Go to step 4. Problem resolved 4 Check the toner dispense motor for proper operation. When performing motor tests, ensure that all cover and door interlock switches are overridden. 1.Enter the Diagnostics Menu. 2.Touch MOTOR TESTS. 3.Touch PRINTER MOTOR TESTS. 4.Touch M toner dispense motor. Does the above component operate properly? Go to step 6. Go to step 5. 5 Check the toner dispense motor for proper connection. Is the above component properly connected? Replace the toner dispense motor. Go to “Toner dispense motor removal” . Replace the connections. 6 Check the developer motor for proper operation. When performing motor tests, ensure that all cover and door interlock switches are overridden. 1.Enter the Diagnostics Menu. 2.Touch MOTOR TESTS. 3.Touch PRINTER MOTOR TESTS. 4.Touch Developer motor. Does the above component operate properly? Go to step 8. Go to step 7. 7 Check the developer motor for proper connection. Is the above component properly connected? Replace the PC/developer drive motor. Go to “PC/developer drive motor removal” . Replace the connection. 8 POR the machine. Does the error continue? Replace the lower engine PCBA. Go to “Lower engine PCBA removal” . Go to step 9. Problem resolved 9 POR the machine. Does the error continue? Replace the upper printer engine PCBA. Go to “Upper printer engine PCBA removal” . Problem resolved

• Code: 132.04
• Description: Service engine error ATC sensor(C) failure
• Remedy: 1 Check the path from the toner cartridge to the developer. Is the above component free from obstacles? Go to step 2. Remove the toner blockages, including internal clogs inside the developer and toner cartridge. 2 Check the ATC sensor PCB. Is the above component properly connected? Go to step 3. Replace the connections. 3 Remove the ATC sensor PCB. Go to “ATC sensor PCB removal” . Does the error remain? Go to step 4. Problem resolved 4 Check the toner dispense motor for proper operation. When performing motor tests, ensure that all cover and door interlock switches are overridden. 1.Enter the Diagnostics Menu. 2.Touch MOTOR TESTS. 3.Touch PRINTER MOTOR TESTS. 4.Touch C toner dispense motor. Does the above component operate properly? Go to step 6. Go to step 5. 5 Check the toner dispense motor for proper connection. Is the above component properly connected? Replace the toner dispense motor. Go to “Toner dispense motor removal” . Replace the connections. 6 Check the developer motor for proper operation. When performing motor tests, ensure that all cover and door interlock switches are overridden. 1.Enter the Diagnostics Menu. 2.Touch MOTOR TESTS. 3.Touch PRINTER MOTOR TESTS. 4.Touch Developer motor. Does the above component operate properly? Go to step 8. Go to step 7. 7 Check the developer motor for proper connection. Is the above component properly connected? Replace the PC/developer drive motor. Go to “PC/developer drive motor removal” . Replace the connection. 8 POR the machine. Does the error continue? Replace the lower engine PCBA. Go to “Lower engine PCBA removal” . Go to step 9. Problem resolved 9 POR the machine. Does the error continue? Replace the upper printer engine PCBA. Go to “Upper printer engine PCBA removal” . Problem resolved

• Code: 137.01
• Description: Service engine error ATC sensor(Y) failure Service engine error Upper printer engine PCBA communication error
• Remedy: 1 POR the machine. Does the error continue? Replace the upper printer engine PCBA. Go to “Upper printer engine PCBA removal” . Problem resolved

• Code: 140.01
• Description: Service engine error Registration drive motor failure.
• Remedy: 1 Check the registration drive motor for proper operation. When performing motor tests, ensure that all cover and door interlock switches are overridden. 1.Enter the Diagnostics Menu. 2.Touch MOTOR TESTS. 3.Touch PRINTER MOTOR TESTS. 4.Touch Registration motor. Does the above component operate properly (motor rotating)? Go to step 3. Go to step 2. 2 Check the registration drive motor for proper connection. Is the above component properly connected? Replace the registration drive motor. Go to “Registration drive motor removal” . Replace the connections. 3 POR the machine. Does the error continue? Replace the lower engine PCBA. Go to “Lower engine PCBA removal” . Go to step 4. Problem resolved 4 POR the machine. Does the error continue? Replace the upper printer engine PCBA. Go to “Upper printer engine PCBA removal” . Problem resolved

• Code: 141.01
• Description: Service engine error Drum drive motor (K) failure
• Remedy: 1 Check the registration drive motor for proper operation. When performing motor tests, ensure that all cover and door interlock switches are overridden. 1.Enter the Diagnostics Menu. 2.Touch MOTOR TESTS. 3.Touch PRINTER MOTOR TESTS. 4.Touch Registration motor. Does the above component operate properly (motor rotating)? Go to step 3. Go to step 2. 2 Check the registration drive motor for proper connection. Is the above component properly connected? Replace the registration drive motor. Go to “Registration drive motor removal” . Replace the connections. 3 POR the machine. Does the error continue? Replace the lower engine PCBA. Go to “Lower engine PCBA removal” . Go to step 4. Problem resolved 4 POR the machine. Does the error continue? Replace the upper printer engine PCBA. Go to “Upper printer engine PCBA removal” . Problem resolved

• Code: 141.02
• Description: Service engine error Drum drive motor (Y/M/C) failure
• Remedy: 1 Check the drum motor for proper operation. When performing motor tests, ensure that all cover and door interlock switches are overridden. 1.Enter the Diagnostics Menu. 2.Touch MOTOR TESTS. 3.Touch PRINTER MOTOR TESTS. 4.Touch KCMY drum & transfer belt motor. Does the above component operate properly (motor rotating)? Go to step 3. Go to step 2. 2 Check the drum motor for proper connection. Is the above component properly connected? Replace the PC/developer drive motor. Go to “PC/developer drive motor removal” . Replace the connections. 3 POR the machine. Does the error continue? Replace the lower engine PCBA. Go to “Lower engine PCBA removal” . Go to step 4. Problem resolved 4 POR the machine. Does the error continue? Replace the upper printer engine PCBA. Go to “Upper printer engine PCBA removal” . Problem resolved

• Code: 151.01
• Description: Service engine error Transfer belt motor failure
• Remedy: 1 Check the transfer belt motor for proper operation. When performing motor tests, ensure that all cover and door interlock switches are overridden. 1.Enter the Diagnostics Menu. 2.Touch MOTOR TESTS. 3.Touch PRINTER MOTOR TESTS. 4.Touch Transfer belt motor. Does the above component operate properly (motor rotating)? Go to step 3. Go to step 2. 2 Check the transfer belt motor for proper connection. Is the above component properly connected? Replace the transfer belt motor. Go to “PC/developer drive motor removal” . Replace the connections. 3 POR the machine. Does the error continue? Replace the lower engine PCBA. Go to “Lower engine PCBA removal” . Go to step 4. Problem resolved 4 POR the machine. Does the error continue? Replace the upper printer engine PCBA. Go to “Upper printer engine PCBA removal” . Problem resolved