• Code: 342.54
• Description: Separator/pass-through motor no first encoder
• Remedy: Step 1: 8. Remove the option tray insert. 9. Check the separator roll assembly gear under the tray base for the following: - Gear tooth breakage - Freedom of rotation Does it move freely, and is it free of wear or damage? Yes: Go to step 2. No: Replace the tray.
  Step 2: Check the cable J10 on the option tray controller board. Is it properly connected and free of damage? Yes: Go to step 3. No: Replace the tray.
  Step 3 Check the separator roll assembly for wear or damage. Is it free of wear or damage? Yes: Contact the next level of support. No: Replace the separator roll assembly.

• Code: 342.55
• Description: Separator/pass-through motor stop error
• Remedy: Step 1: 8. Remove the option tray insert. 9. Check the separator roll assembly gear under the tray base for the following: - Gear tooth breakage - Freedom of rotation Does it move freely, and is it free of wear or damage? Yes: Go to step 2. No: Replace the tray.
  Step 2: Check the cable J10 on the option tray controller board. Is it properly connected and free of damage? Yes: Go to step 3. No: Replace the tray.
  Step 3 Check the separator roll assembly for wear or damage. Is it free of wear or damage? Yes: Contact the next level of support. No: Replace the separator roll assembly.

• Code: 342.56
• Description: Separator/pass-through motor PWM underflow (motor overspeed)
• Remedy: Step 1: 8. Remove the option tray insert. 9. Check the separator roll assembly gear under the tray base for the following: - Gear tooth breakage - Freedom of rotation Does it move freely, and is it free of wear or damage? Yes: Go to step 2. No: Replace the tray.
  Step 2: Check the cable J10 on the option tray controller board. Is it properly connected and free of damage? Yes: Go to step 3. No: Replace the tray.
  Step 3 Check the separator roll assembly for wear or damage. Is it free of wear or damage? Yes: Contact the next level of support. No: Replace the separator roll assembly.

• Code: 344.57
• Description: ACM motor no first encoder
• Remedy: Step 1: Check the cable J11 on the option tray controller board. Is it properly connected? Yes: Go to step 2. No: Reseat the cable.
  Step 2: 10. Remove the option tray insert and bypass the tray present sensor. 11. POR into the Diagnostics Menu and perform a feed test: Diagnostics Menu >Feed Test > choose an option tray 12. Check the ACM for proper operation. Does the ACM freely rotate three times before displaying a jam message? Yes: Go to step 3. No: Replace the ACM assembly.
  Step 3: Is the ACM gear free of wear or damage? Yes: Contact the next level of support. No: Replace the ACM assembly.

• Code: 344.58
• Description: ACM motor stop error
• Remedy: Step 1: Check the cable J11 on the option tray controller board. Is it properly connected? Yes: Go to step 2. No: Reseat the cable.
  Step 2: 10. Remove the option tray insert and bypass the tray present sensor. 11. POR into the Diagnostics Menu and perform a feed test: Diagnostics Menu >Feed Test > choose an option tray 12. Check the ACM for proper operation. Does the ACM freely rotate three times before displaying a jam message? Yes: Go to step 3. No: Replace the ACM assembly.
  Step 3: Is the ACM gear free of wear or damage? Yes: Contact the next level of support. No: Replace the ACM assembly.

• Code: 344.59
• Description: ACM motor PWM underflow (motor overspeed)
• Remedy: Step 1: Check the cable J11 on the option tray controller board. Is it properly connected? Yes: Go to step 2. No: Reseat the cable.
  Step 2: 10. Remove the option tray insert and bypass the tray present sensor. 11. POR into the Diagnostics Menu and perform a feed test: Diagnostics Menu >Feed Test > choose an option tray 12. Check the ACM for proper operation. Does the ACM freely rotate three times before displaying a jam message? Yes: Go to step 3. No: Replace the ACM assembly.
  Step 3: Is the ACM gear free of wear or damage? Yes: Contact the next level of support. No: Replace the ACM assembly.

• Code: 840.01
• Description: The scanner is disabled and can’t be used.
• Remedy: Step 1: 1. POR the machine into Configuration menu >Disable Scanner. From there, select Enabled to change the setting to re-enable the scanner module, and then save the setting. 2. POR the MFP to operating mode. Try running a copy from the ADF and flatbed. Did the 840.xx error reoccur? Yes: Go to step 2. No: The problem is solved.
  Step 2: Re-enter the Configuration mode, and then scroll to and select the Disable Scanner menu item. Does the screen display ADF disabled or Auto Disabled? Yes: Go to step 3. No: Go to step 8.
  Step 3: Check the ADF cable connections on the ADF relay board and connector JADF1 on the controller board. Also inspect the cable connections JHOME1, JFBM1, JPLEN1, and JCIS1 on the controller board. Are the connections properly connected? Yes: Go to step 5. No: Go to step 4.
  Step 4: 1. Properly connect the connections on the ADF relay board and controller board. 2. POR the machine into Configuration menu >Disable Scanner. From there, select Enabled to change the setting to re-enable the scanner module and then save the setting. 3. POR the MFP to operating mode. Try running a copy from the ADF and the flatbed. Did the 840.xx error reoccur? Yes: Go to step 5. No: The problem is solved.
  Step 5: Check the continuity on the ADF cable. Is there continuity? Yes: Go to step 7. No: Go to step 6.
  Step 6: 1. Replace the ADF cable. 2. POR the machine into Configuration menu >Disable Scanner. From there, select Enabled to change the setting to re-enable the scanner module, and then save the setting. 3. POR the MFP to operating mode. Try running a copy from the ADF and flatbed. Did the 840.xx error reoccur? Yes: Go to step 7. No: The problem is solved.
  Step 7: 1. Replace the ADF unit. 2. POR the machine into Configuration menu >Disable Scanner. From there, select Enabled to change the setting to re-enable the scanner module and then save the setting. 3. POR the MFP to operating mode. Run a copy from the flatbed. Did the 840.xx error reoccur? Yes: Go to step 8. No: The problem is solved.
  Step 8: Inspect JFBM1, JHOME1 and JCIS1 on the controller board. Are they properly connected? Yes: Go to step 10. No: Go to step 9.
  Step 9: Properly connect all the connections. Did the 840.xx error reoccur? Yes: The problem is solved. No: Go to step 10.
  Step 10: 1. Replace the flatbed unit. 2. POR the machine into Configuration menu >Disable Scanner. From there, select Enabled to change the setting to re-enable the scanner module, and then save the setting. 3. POR the MFP to operating mode. Run a copy from the flatbed. Did the 840.xx error reoccur? Yes: Go to step 11. No: The problem is solved.
  Step 11: Replace the controller board. Yes: The problem is solved. No: Contact second-level support.

• Code: 840.02
• Description: The scanner is disabled and can’t be used. This message is posted when the MFP PORs. Enter the configuration menu, and reenable the scanner module.
• Remedy: Step 1: 1. POR the machine into Configuration menu >Disable Scanner. From there, select Enabled to change the setting to re-enable the scanner module, and then save the setting. 2. POR the MFP to operating mode. Try running a copy from the ADF and flatbed. Did the 840.xx error reoccur? Yes: Go to step 2. No: The problem is solved.
  Step 2: Re-enter the Configuration mode, and then scroll to and select the Disable Scanner menu item. Does the screen display ADF disabled or Auto Disabled? Yes: Go to step 3. No: Go to step 8.
  Step 3: Check the ADF cable connections on the ADF relay board and connector JADF1 on the controller board. Also inspect the cable connections JHOME1, JFBM1, JPLEN1, and JCIS1 on the controller board. Are the connections properly connected? Yes: Go to step 5. No: Go to step 4.
  Step 4: 1. Properly connect the connections on the ADF relay board and controller board. 2. POR the machine into Configuration menu >Disable Scanner. From there, select Enabled to change the setting to re-enable the scanner module and then save the setting. 3. POR the MFP to operating mode. Try running a copy from the ADF and the flatbed. Did the 840.xx error reoccur? Yes: Go to step 5. No: The problem is solved.
  Step 5: Check the continuity on the ADF cable. Is there continuity? Yes: Go to step 7. No: Go to step 6.
  Step 6: 1. Replace the ADF cable. 2. POR the machine into Configuration menu >Disable Scanner. From there, select Enabled to change the setting to re-enable the scanner module, and then save the setting. 3. POR the MFP to operating mode. Try running a copy from the ADF and flatbed. Did the 840.xx error reoccur? Yes: Go to step 7. No: The problem is solved.
  Step 7: 1. Replace the ADF unit. 2. POR the machine into Configuration menu >Disable Scanner. From there, select Enabled to change the setting to re-enable the scanner module and then save the setting. 3. POR the MFP to operating mode. Run a copy from the flatbed. Did the 840.xx error reoccur? Yes: Go to step 8. No: The problem is solved.
  Step 8: Inspect JFBM1, JHOME1 and JCIS1 on the controller board. Are they properly connected? Yes: Go to step 10. No: Go to step 9.
  Step 9: Properly connect all the connections. Did the 840.xx error reoccur? Yes: The problem is solved. No: Go to step 10.
  Step 10: 1. Replace the flatbed unit. 2. POR the machine into Configuration menu >Disable Scanner. From there, select Enabled to change the setting to re-enable the scanner module, and then save the setting. 3. POR the MFP to operating mode. Run a copy from the flatbed. Did the 840.xx error reoccur? Yes: Go to step 11. No: The problem is solved.
  Step 11: Replace the controller board. Yes: The problem is solved. No: Contact second-level support.