Display: “Jam At Duplex; Open Duplex To Clear\ Press i “
Description: E7-2 Duplex Jam
Causes: • HVPS/Engine Logic Board • Duplex Unit Sensor • Duplex Unit Actuator • Duplex Unit Roller • Pinch Roller • Duplex Unit Motor
Remedy: 1 Does the error occur when the power is turned ON? Go to step 2. Go to step 4. 2 1. Open the Duplex Unit Housing Cover. 2. Check for paper at the Duplex Unit Actuator Is there paper at the Duplex Unit Actuator? Remove the paper, and go to step 3. Go to “Duplex Unit Sensor”. 3 Does the error occur when the power is turned ON? Go to “Duplex Unit Sensor”. Go to step 4. 4 1. Remove and re-install the Duplex Unit. 2. Enter Service Diagnostics, and from the Engine Test Print menu select Duplex and set to ON. 3. From the Engine Test Print menu select Print Test Pattern. Does the error occur when making twosided test prints? Go to step 5. Problem solved. 5 Check the paper position: Open the Duplex Unit Housing Cover. Does the leading edge of the paper reach the top roller of the Duplex Unit? Go to step 6. Go to “Exit Motor Assembly”. 6 1. Remove the Duplex Unit Left Cover . 2. Manually rotate the gears. Do the Duplex Unit Roller and all Gears rotate smoothly? Go to step 7. Replace parts as necessary. 7 1. Open the Duplex Unit Housing Cover and insert paper, then close it. 2. Manually rotate the upper Roller Gear clockwise and check paper transfer. Is the paper transferred smoothly? Go to step 8. Replace drive parts as necessary. 8 Enter Service Diagnostics, and from the Motors/Fan Tests menu select the Duplex Motor High test. Does the Duplex Unit Motor rotate normally? Go to step 9. Go to “Duplex Unit Motor”. 9 Enter Service Diagnostics, and from the Motors/Fan Tests menu select the Duplex Motor Low test. Does the Duplex Unit Motor rotate normally? Replace the HVPS/Engine Logic Board .
Code: E7-3
Display: “Jam At Duplex; Open Duplex To Clear\ Press i “
Description: E7-3 Duplex Jam
Causes: • HVPS/Engine Logic Board • Duplex Unit Sensor • Duplex Unit Actuator • Duplex Unit Roller • Pinch Roller • Duplex Unit Motor
Remedy: 1 Does the error occur when the power is turned ON? Go to step 2. Go to step 4. 2 1. Open the Duplex Unit Housing Cover. 2. Check for paper at the Duplex Unit Actuator Is there paper at the Duplex Unit Actuator? Remove the paper, and go to step 3. Go to “Duplex Unit Sensor”. 3 Does the error occur when the power is turned ON? Go to “Duplex Unit Sensor”. Go to step 4. 4 1. Remove and re-install the Duplex Unit. 2. Enter Service Diagnostics, and from the Engine Test Print menu select Duplex and set to ON. 3. From the Engine Test Print menu select Print Test Pattern. Does the error occur when making twosided test prints? Go to step 5. Problem solved. 5 Check the paper position: Open the Duplex Unit Housing Cover. Does the leading edge of the paper reach the top roller of the Duplex Unit? Go to step 6. Go to “Exit Motor Assembly”. 6 1. Remove the Duplex Unit Left Cover . 2. Manually rotate the gears. Do the Duplex Unit Roller and all Gears rotate smoothly? Go to step 7. Replace parts as necessary. 7 1. Open the Duplex Unit Housing Cover and insert paper, then close it. 2. Manually rotate the upper Roller Gear clockwise and check paper transfer. Is the paper transferred smoothly? Go to step 8. Replace drive parts as necessary. 8 Enter Service Diagnostics, and from the Motors/Fan Tests menu select the Duplex Motor High test. Does the Duplex Unit Motor rotate normally? Go to step 9. Go to “Duplex Unit Motor”. 9 Enter Service Diagnostics, and from the Motors/Fan Tests menu select the Duplex Motor Low test. Does the Duplex Unit Motor rotate normally? Replace the HVPS/Engine Logic Board .
Code: E9-1
Display: “Duplex Unit Failure\ Press i”
Description: E9-1 Duplex unit fail
Causes: • HVPS/Engine Logic Board • Duplex Unit PWBA • Duplex Unit Assembly Harness
Remedy: 1 Remove the Duplex Unit, re-install it, and turn the power ON. Does the error still occur? Go to “Duplex Unit PWBA”. Problem solved.
Remedy: 1 Remove the Print Cartridge to check the model. Is the Print Cartridge the correct model? Go to step 2. Replace the Print Cartridge. 2 Re-install the Print Cartridge. Does the error reoccur when the power is turned ON? Go to step 3. Problem solved. 3 1. Remove the Print Cartridge Right Guide Assembly . 2. Test the wiring harnesses for continuity. Is each harness continuous? Go to step 4. Replace the Print Cartridge Right Guide Assembly . 4 Replace the Print Cartridge. Does the error occur again when the power is turned ON? Replace the HVPS/Engine Logic Board . Problem solved.
Remedy: 1 Check the Print Cartridge (1): Does sufficient toner remain in the Print Cartridge? Go to step 3. Go to step 2. 2 Check the Print Cartridge (2): Does the problem still occur after replacing the Print Cartridge? Go to step 3. Problem solved. 3 Check the Toner Sensor Assembly installation. Is the Toner Sensor Assembly installed correctly, and does the D-Holder operate smoothly? Go to step 4. Replace the Toner Sensor Assembly. 4 Check the Toner Sensor function: 1. Enter Service Diagnostics, and from the Sensor Tests menu select Toner Sensor. 2. Remove and replace the Print Cartridge. Does the toner Sensor correctly detect the presence of the toner in the Print Cartridge? Go to step 7. Go to step 5. 5 Check the Toner Harness Assembly 1: 1. Remove Toner Harness Assembly 1. 2. Test for continuity across J220 <=> J221. Is it continuous? Go to step 6. Replace the Toner Harness Assembly 1. 6 Check the Toner Harness Assembly 2: 1. Remove the Toner Harness Assembly 2. 2. Test for continuity across J22 <=> J221. Is it continuous? Go to step 7. Replace the Toner Harness Assembly 2. 7 Replace the Toner Sensor . Does the problem still occur after replacement? Replace the HVPS/Engine Logic Board . Problem solved.