Sharp MXB450PB with list Error Codes and Epson L4250 Adjustment Program

Sharp MXB450PB Printer with list Error Codes and Epson L4250 Adjustment Program

– Printer model: Sharp MXB450PB
– Error codes on Sharp MXB450PB with details instruction fixing:

Code: A0-30
Description: Machine configuration error
Causes: FAX PWB is broken
Wireless LAN PWB is not connected properly
Wireless LAN PWB is broken
RSPF/SPF is not connected properly
RSPF/SPF is broken
Troubleshooting Guides: Check connection of FAX PWB
Replace FAX modem PWB
Check connection of Wireless LAN PWB
Replace Wireless LAN PWB
Check connection of RSPF/SPF
Replace RSPF/SPF

Code: E7-01
Description: Image data error
Causes: Image data transfer error in MFPC PWB
MFPC PWB trouble
Troubleshooting Guides: Check connection state of MFPC PWB connector, harness
Replace MFPC PWB

Code: E7-20
Description: LSU laser detection error
Causes: Reduced laser power, lighting error, laser diode trouble
LSU connector, harness connection trouble
LSU unit trouble
MFPC PWB trouble
Troubleshooting Guides: SIM61-1 to execute
Check connection state of LSU connector, harness
Replace LSU unit
Replace MFPC PWB

Code: E7-21
Description: LSU laser deterioration error
Causes: Reduced laser power, lighting error, laser diode trouble
LSU connector, harness connection trouble
LSU unit trouble
MFPC PWB trouble
Troubleshooting Guides: SIM61-1 to execute
Check connection state of LSU connector, harness
Replace LSU unit
Replace MFPC PWB

Code: E7-38
Description: Quatro chip AD adjustment error
Causes: The voltage on MFPC PWB is not stable
The parts on the MFPC PWB are not soldered properly
Troubleshooting Guides: Replace the MFPC PWB.

Code: E7-90
Description: Communication error between ICU and PCU
Causes: MFPC PWB trouble
Troubleshooting Guides: Check connection state of MFPC PWB connector, harness
Replace MFPC PWB

Code: E7-91
Description: Decode error (FAX received image data)
Causes: Image compression data corruption
HDD trouble
mSATA eMMC trouble
MFPC PWB trouble
FAX PWB trouble
Troubleshooting Guides: SIM60-1 to execute
Replace HDD
Replace mSATA eMMC
Replace MFPC PWB
Replace FAX PWB

Code: E7-93
Description: Decode error
Causes: Image compression data corruption
HDD trouble
MFPC PWB trouble
Troubleshooting Guides: SIM60-1 to execute
Replace HDD
Replace MFPC PWB

Code: EE-EC
Description: Automatic toner density adjustment error (Sampling abnormal)
Causes: Toner density sensor trouble.
Charging voltage / developing voltage trouble.
Toner density trouble.
Developing unit trouble.
MFPC PWB trouble.
Troubleshooting Guides: Replace Developing unit.
Replace MFPC PWB.

Code: EE-EL
Description: Automatic toner density adjustment error (Over toner)
Causes: Toner density sensor trouble.
Charging voltage / developing voltage trouble.
Toner density trouble.
Developing unit trouble.
MFPC PWB trouble.
Troubleshooting Guides: Replace Developing unit.
Replace MFPC PWB.

Code: EE-EU
Description: Automatic toner density adjustment error (Under toner)
Causes: Toner density sensor trouble.
Charging voltage / developing voltage trouble.
Toner density trouble.
Developing unit trouble.
MFPC PWB trouble.
Troubleshooting Guides: Replace Developing unit.
Replace MFPC PWB.

Code: F2-22
Description: Discharge lamp trouble
Causes: Connector, harness connection trouble
Discharge lamp trouble
MFPC PWB trouble
Troubleshooting Guides: Check connection state of connector, harness
Replace discharge lamp
Replace MFPC PWB

Code: F2-39
Description: Temperature and humidity sensor trouble (temperature)
Causes: Connector, harness connection trouble
Sensor (TH/HUD) trouble
MFPC PWB trouble
Troubleshooting Guides: Check connection state of connector, harness
Replace sensor (TH/HUD)
Replace MFPC PWB

Code: F2-40
Description: Toner concentration sensor trouble
Causes: Connector, harness connection trouble
DV unit trouble
Sensor (TCS) trouble
MFPC PWB trouble
Troubleshooting Guides: Check connection state of connector, harness
Replace DV unit
Replace MFPC PWB

Code: F2-58
Description: Temperature and humidity sensor trouble (humidity)
Causes: Connector, harness connection trouble
Sensor (TH/HUD) trouble
MFPC PWB trouble
Troubleshooting Guides: Check connection state of connector, harness
Replace sensor (TH/HUD)
Replace MFPC PWB

Code: F2-64
Description: Black toner supply trouble
Causes: Connector, harness connection trouble
DV unit trouble
Toner cartridge trouble
Toner transport pipe section trouble
Sensor (TCS) trouble
Motor (TNM) trouble
MFPC PWB trouble
Troubleshooting Guides: Check connection state of connector, harness
Replace DV unit
Replace toner cartridge
Check transport pipe section
Replace motor (TNM)
Replace MFPC PWB

Code: F2-70
Description: Mismatched black toner cartridge
Causes: Improper toner cartridge is inserted
Toner cartridge trouble
Troubleshooting Guides: Replace toner cartridge

Code: F2-74
Description: Black CRUM error
Causes: Connector, harness connection trouble
Toner cartridge trouble
MFPC PWB trouble
Troubleshooting Guides: Check connection state of connector, harness
Replace toner cartridge
Replace MFPC PWB

– Sharp MXB450PB printer Error Codes and quick guide on repairing:

Code: F2-78
Description: Image density sensor error
Causes: Connector, harness connection trouble
Sensor (PCS) dirt or trouble
MFPC PWB trouble
Troubleshooting Guides: Check connection state of connector, harness
Clean sensor (PCS) or replace
Replace MFPC PWB

Code: H2-00
Description: Thermistor open trouble (TH_UM_AD2)
Causes: Thermistor connector, harness connection trouble
Fusing section connector connection trouble
Thermistor trouble
MFPC PWB trouble
AC PWB trouble
Fusing unit not installed
Troubleshooting Guides: SIM44-14 to execute
Check connection state of thermistor connector, harness
Check connection state of fusing section connector
Replace thermistor
Replace MFPC PWB
Replace AC PWB trouble
Check fusing unit installed

Code: H2-02
Description: Thermistor open trouble (TH_US)
Causes: Thermistor connector, harness connection trouble
Fusing section connector connection trouble
Thermistor trouble
MFPC PWB trouble
AC PWB trouble
Fusing unit not installed
Troubleshooting Guides: SIM44-14 to execute
Check connection state of thermistor connector, harness
Check connection state of fusing section connector
Replace thermistor
Replace MFPC PWB
Replace AC PWB trouble
Check fusing unit installed

Code: H2-03
Description: Thermistor open trouble (TH_UM_CS)
Causes: Thermistor connector, harness connection trouble
Fusing section connector connection trouble
Thermistor trouble
MFPC PWB trouble
Fusing unit not installed
Fusing unit trouble
Troubleshooting Guides: SIM44-14 to execute
Check connection state of thermistor connector, harness
Check connection state of fusing section connector
Replace thermistor
Replace MFPC PWB
Check fusing unit installed
Replace fusing unit

Code: H2-06
Description: Thermistor open trouble (TH_US2)
Causes: Thermistor connector, harness connection trouble
Fusing section connector connection trouble
Thermistor trouble
MFPC PWB trouble
AC PWB trouble
Fusing unit not installed
Troubleshooting Guides: SIM44-14 to execute
Check connection state of thermistor connector, harness
Check connection state of fusing section connector
Replace thermistor
Replace MFPC PWB
Replace AC PWB trouble
Check fusing unit installed

Code: H3-00
Description: Fuser high temperature trouble (TH_UM_CS)
Causes: Thermistor connector, harness connection trouble
Thermistor trouble
MFPC PWB trouble
AC PWB trouble
Troubleshooting Guides: SIM44-14 to execute
SIM5-2 to execute
Check connection state of thermistor connector, harness
Replace thermistor
Replace MFPC PWB
Replace AC PWB
SIM14 to cancel

Code: H3-02
Description: Fuser high temperature trouble (TH_US)
Causes: Thermistor connector, harness connection trouble
Thermistor trouble
MFPC PWB trouble
AC PWB trouble
Troubleshooting Guides: SIM44-14 to execute
SIM5-2 to execute
Check connection state of thermistor connector, harness
Replace thermistor
Replace MFPC PWB
Replace AC PWB
SIM14 to cancel

Code: H4-00
Description: Fuser low temperature trouble (TH_UM)
Causes: Thermistor connector, harness connection trouble
Thermistor trouble
Heater lamp trouble
MFPC PWB trouble
Thermostat trouble
AC PWB trouble
Troubleshooting Guides: SIM44-14 to execute
SIM5-2 to execute
Check connection state of thermistor connector, harness
Replace thermistor
Replace heater lamp
Replace MFPC PWB
Replace thermostat
Replace AC PWB
SIM14 to cancel

Code: H4-02
Description: Fuser low temperature trouble (TH_US)
Causes: Thermistor connector, harness connection trouble
Thermistor trouble
Heater lamp trouble
MFPC PWB trouble
Thermostat trouble
AC PWB trouble
Troubleshooting Guides: SIM44-14 to execute
SIM5-2 to execute
Check connection state of thermistor connector, harness
Replace thermistor
Replace heater lamp
Replace MFPC PWB
Replace thermostat
Replace AC PWB
SIM14 to cancel

Code: H4-30
Description: Fuser differential input trouble (TH_UM)
Causes: Thermistor connector, harness connection trouble
Thermistor trouble
Heater lamp trouble
MFPC PWB trouble
Troubleshooting Guides: SIM5-2 to execute
Check connection state of thermistor connector, harness
Replace thermistor
Replace heater lamp
Replace MFPC PWB
SIM14 to cancel

Code: H5-01
Description: 5 times continuous POD1 not reach jam
Causes: Fusing jam was not cancel completely (jam paper remains)
Fusing unit installation trouble
Fusing unit, drive section trouble
Sensor (POD1) connector, harness connection trouble
Sensor (POD1) trouble
Troubleshooting Guides: Check fusing unit installed
Check fusing drive section
Check connection state of sensor (POD1) connector, harness
Replace sensor (POD1)
Replace fusing unit
SIM14 to cancel

Code: H7-10
Description: Recovery error from fuser low temperature (TH_UM_CS)
Causes: Thermistor connector, harness connection trouble
Thermistor trouble
Heater lamp trouble
MFPC PWB trouble
Thermostat trouble
AC PWB trouble
Troubleshooting Guides: SIM5-2 to execute
Check connection state of thermistor connector, harness
Replace thermistor
Replace heater lamp
Replace MFPC PWB
Replace thermostat
Replace AC PWB

Code: H7-12
Description: Recovery error from fuser low temperature (TH_US)
Causes: Thermistor connector, harness connection trouble
Thermistor trouble
Heater lamp trouble
MFPC PWB trouble
Thermostat trouble
AC PWB trouble
Troubleshooting Guides: SIM5-2 to execute
Check connection state of thermistor connector, harness
Replace thermistor
Replace heater lamp
Replace MFPC PWB
Replace thermostat
Replace AC PWB

Code: L4-01
Description: Main motor lock trouble
Causes: Connector, harness connection trouble
Motor trouble(MM)
MFPC PWB trouble
Troubleshooting Guides: SIM6-1 to execute
Check connection state of connector, harness
Replace motor (MM)
Replace MFPC PWB

Code: L4-14
Description: Toner cartridge motor lock trouble
Causes: Motor trouble(TNM)
Toner motor drive detect sensor trouble (TM_COUNT)
Connector, harness connection trouble
MFPC PWB trouble
Troubleshooting Guides: SIM10-1 to execute
SIM10-4 to execute
Check connection state of connector, harness
Replace motor (TNM)
Replace toner motor drive detect sensor
Replace MFPC PWB
Replace detect sensor

Code: L4-17
Description: Drum motor lock trouble
Causes: Motor trouble(DM)
Connector, harness connection trouble
MFPC PWB trouble
Troubleshooting Guides: SIM25-1 to execute
Check connection state of connector, harness
Replace motor (DM)
Replace MFPC PWB

Code: L4-31
Description: Paper delivery cooling fan trouble
Causes: Motor trouble(POFM)
Connector, harness connection trouble
Troubleshooting Guides: SIM6-2 to execute
Check connection state of connector, harness
Replace fan (POFM)

Code: L4-32
Description: Power supply unit fan trouble
Causes: Motor trouble(PSFM)
Connector, harness connection trouble
Troubleshooting Guides: SIM6-2 to execute
Check connection state of connector, harness
Replace fan (PSFM)

Code: L4-35
Description: Fuser cooling fan trouble
Causes: Motor trouble(FUFM)
Connector, harness connection trouble
Troubleshooting Guides: SIM6-2 to execute
Check connection state of connector, harness
Replace fan (FUFM)

Code: L4-39
Description: Machine cooling fan trouble
Causes: Motor trouble(VFM)
Connector, harness connection trouble
Troubleshooting Guides: SIM6-2 to execute
Check connection state of connector, harness
Replace motor (VFM)

Code: L4-43
Description: Paper cooling fan trouble
Causes: Motor trouble(POFM2)
Connector, harness connection trouble
MFPC PWB trouble
Troubleshooting Guides: SIM6-2 to execute
Check connection state of connector, harness
Replace motor (POFM2)
Replace MFPC PWB

Code: L6-10
Description: Polygon motor trouble
Causes: Connector, harness connection trouble
Motor (PGM) trouble
MFPC PWB trouble
Troubleshooting Guides: SIM6-1 to execute
Check connection state of connector, harness
Replace MFPC PWB
Replace LSU unit

Code: L8-01
Description: Full wave signal detection error
Causes: Connector, harness connection trouble
Power supply unit trouble
MFPC PWB trouble
Troubleshooting Guides: Check connection state of connector, harness
Replace power supply unit
Replace MFPC PWB

Code: L8-02
Description: Abnormal full wave signal error
Causes: Connector, harness connection trouble
Power supply unit trouble
MFPC PWB trouble
Troubleshooting Guides: Check connection state of connector, harness
Replace power supply unit
Replace MFPC PWB

Code: U1-01
Description: Battery trouble
Causes: Battery life
Battery circuit trouble
Troubleshooting Guides: Check battery voltage is 2.5V or above
Replace battery

Code: U2-00
Description: MFP EEPROM read/write error
Causes: MFPC PWB EEPROM trouble.
EEPROM socket contact trouble.
MFPC PWB trouble.
Strong external noises.
Troubleshooting Guides: Replace the MFPC PWB EEPROM.
Replace the MFPC PWB.
Check the power environment.

Code: U2-05
Description: Account data error (HDD-MFP SRAM)
Causes: EEPROM is broken
The device access error/connection error of EEPROM by the noise
Troubleshooting Guides: Cancel the error by SIM16

Code: U2-06
Description: Memory content Error (Flash ROM sector management error) detection eMMC Read Error Detection
Causes: Flash ROM data error/Program ROM data error
Flash ROM device contact trouble/Program device trouble
Device access trouble by the noise
Troubleshooting Guides: Export the backup data using SIM56-2/3, restore the data, import again.
Replace the MFPC PWB.

Code: U2-11
Description: MFP EEPROM counter check sum error
Causes: EEPROM device trouble
EEPROM device contact trouble
Device access trouble by the noise
Troubleshooting Guides: Cancel the error by SIM16

Code: U2-91
Description: PCU EEPROM check sum error
Causes: EEPROM socket contact trouble
Replace EEPROM
Replace MFPC PWB
Troubleshooting Guides: Check contact of EEPROM socket
Replace EEPROM
Replace MFPC PWB
SIM16 to cancel

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
Troubleshooting Guides: 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
Troubleshooting Guides: 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
Troubleshooting Guides: 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
Troubleshooting Guides: 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
Troubleshooting Guides: 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
Troubleshooting Guides: Check connector connection and harness of OPU
PWB and MFPC PWB
Replace OPU PWB or MFPC PWB
Check ground point
Power off/on

Code: U9-81
Description: OPU communication trouble (parity)
Causes: Harness trouble between OPU PWB and MFPC PWB
Troubleshooting Guides: Check connector connection and harness of OPU
PWB and MFPC PWB
Replace OPU PWB or MFPC PWB
Check ground point
Power off/on

Code: U9-82
Description: OPU communication trouble (overrun)
Causes: Harness trouble between OPU PWB and MFPC PWB
Troubleshooting Guides: Check connector connection and harness of OPU
PWB and MFPC PWB
Replace OPU PWB or MFPC PWB
Check ground point
Power off/on

Code: U9-84
Description: OPU communication trouble (flaming)
Causes: Harness trouble between OPU PWB and MFPC PWB
Troubleshooting Guides: Check connector connection and harness of OPU
PWB and MFPC PWB
Replace OPU PWB or MFPC PWB
Check ground point
Power off/on

Code: U9-88
Description: OPU communication trouble (time-out)
Causes: Command size error from MFPC to OPU
Troubleshooting Guides: Replace OPU PWB or MFPC PWB
Power off/on

Code: U9-99
Description: OPU language error
Causes: Command size error from MFPC to OPU
Troubleshooting Guides: Replace OPU PWB or MFPC PWB
Power off/on

Epson L4250 Adjustment Program

– OS Support: only Windows Operating System.
– Because Adjprog.exe gets Hardware ID info => Antivirus will misunderstand Adjprog.exe is the virus ==> you need to disable antivirus before extract and run Epson L4250 Adjustment Program or add to exclusion folder
– Limitation: Unlimited using on only 1 Computer.
– Epson L4250 AdjProg or Epson L4250 Adjustment Program or Epson L4250 Adj Program, is a middleware developed by third-party software to supply for Epson L4250 printer, making printer continuous printing without error.

– Epson L4250 Adjustment Program is featured with clearing the waste ink counter, ultra-deep clean to clean the printhead, adjust the smoothness of the printhead, adjust the motor headers, and fix the errors: no printing, lack of colour printing, colour blur, prints with horizontal and vertical stripes…

Epson L4250 Adjustment Functions:

– Bi-D Adjustment
– USB ID Input
– Initial Ink Charge
– Deep Cleaning the Print Head
– Reset Waste Ink Pad Counter
– Head ID Setting
– EEPROM initial setting
– Top margin Adjustment

Using Epson L4250 Adjustment Program

– Choose printer model and usb connection

– Choose Particular Adjustment Mode

Using Epson L4250 Adjustment Program Step 2

– Choose Waste Ink Pad Counter

Using Epson L4250 Adjustment Program Step 4

– Read Waste Ink Pad Counter

Using Epson L4250 Adjustment Program Step 5

– Reset Waste Ink Pad Counter

Using Epson L4250 Adjustment Program Step 6

Active Epson L4250 Adjustment Program

– Run Adjprog.exe, Copy L4250 Hardware ID, send it to admin email : [email protected] to get serial key and then active Epson L4250 Adjustment Program.