Sharp MXB350PE

• Code: U6-00
• Description: MFPC PWB - Paper feed desk (paper feed tray 2) communication error
• Causes: Malfunction due to noises
  Connector, harness connection trouble
  Desk control PWB trouble
  MFPC PWB trouble
• Remedy: Power OFF/ON to cancel
  Check connection state of connector, harness
  Replace desk control PWB
  Replace MFPC PWB

• Code: U6-01
• Description: Desk paper feed tray 1 lift trouble
• Causes: Connector, harness connection trouble
  Sensor (D1LUD) trouble
  Desk tray1 control PWB trouble
  Lift unit trouble
• Remedy: SIM4-2 to execute
  Check connection state of connector, harness
  Replace sensor (D1LUD)
  Replace desk tray1 control PWB
  Replace lift unit

• Code: U6-11
• Description: Desk paper feed tray 1 transport trouble
• Causes: Connector, harness connection trouble
  Motor (D1PFM) trouble
  Desk tray1 control PWB trouble
• Remedy: SIM4-3 to execute
  Check connection state of connector, harness
  Replace motor (D1PFM)
  Replace desk tray1 control PWB

• Code: U6-50
• Description: Desk - Main unit combination trouble
• Causes: Improper combination between main machine and desk
  Desk control PWB trouble
• Remedy: Install desk which is proper for main machine
  Replace desk control PWB

• Code: U6-56
• Description: Desk paper feed tray 1 firmware error
• Causes: Firmware version is inconsistency
• Remedy: SIM49-1 to execute

• Code: U9-00
• Description: Communication trouble between the controller and OPU
• Causes: OPU connector connection trouble
  Harness trouble between OPU PWB and MFPC PWB
  Break connector pin of OPU PWB
• Remedy: Check connector connection and harness of OPU
  PWB and MFPC PWB
  Replace OPU PWB or MFPC PWB
  Check ground point
  Power off/on