Sharp ARB451T Printer with list Error Codes and Epson Stylus-Me-Office-900WD Adjustment Program
– Printer model: Sharp ARB451T
– Error codes on Sharp ARB451T 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: E7-10
- Description: Shading error(Black level)
- Causes: Abnormality in the CIS black scan level when the copy lamp is turned OFF.
Improper installation of the harness to the CIS unit/MFPC PWB.
Improper installation of the harness to the CIS unit/AFE PWB.
Improper installation of the harness to the MFPC PWB/ AFE PWB.
CIS unit abnormality.
AFE PWB abnormality.
MFPC PWB abnormality. - Troubleshooting Guides: Check connection of the harness to the CIS unit/MFPC PWB.
Check connection of the harness to the CIS unit/AFE PWB.
Check connection of the harness to the AFE PWB/MFPC PWB.
Check the CIS unit.
Check the AFE PWB.
Check the MFPC PWB.
- Code: E7-11
- Description: Shading error(White level)
- Causes: Abnormality in the CIS white reference plate scan level when the scanner lamp is turned ON.
Improper installation of the harness to the CIS unit/MFP PWB.
Improper installation of the harness to the CIS unit/AFE PWB.
Improper installation of the harness to the MFPC PWB/ AFE PWB.
Dirt on the mirror, lens, and the reference white plate.
Copy lamp lighting trouble.
CIS unit abnormality.
AFE PWB abnormality.
MFPC PWB abnormality. - Troubleshooting Guides: Check connection of the harness to the CIS unit/MFPC PWB.
Check connection of the harness to the CIS unit/AFE PWB.
Check connection of the harness to the MFPC PWB/AFE PWB.
Check connection of the harness to the Copy lamp unit.
Clean the mirror, the lens, and the reference white plate.
Check the CIS unit.
Check the AFE PWB.
Check the MFPC PWB
- Code: E7-14
- Description: CIS-ASIC error
- Causes: MFPC PWB trouble.
AFE PWB trouble.
MFPC PWB trouble.
Improper installation of the harness to the MFPC
PWB/AFE PWB. - Troubleshooting Guides: Check the MFPC PWB.
Replace the MFPC PWB.
Check the AFE PWB.
Replace the AFE PWB.
Check connection of the harness to the AFE PWB/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: E7-80
- Description: Communication error between ICU and SCU
- Causes: MFPC PWB trouble
- Troubleshooting Guides: Check connection state of MFPC PWB connector, harness
Replace 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
MFPC PWB trouble
FAX PWB trouble - Troubleshooting Guides: SIM60-1 to execute
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
– Sharp ARB451T printer Error Codes and quick guide on repairing:
- 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
- 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: F6-00
- Description: Communication error (MFP-FAX)
- Causes: Connector, harness connection trouble
FAX PWB trouble - Troubleshooting Guides: Check connection state of connector, harness
Replace FAX PWB
- Code: F6-04
- Description: FAX modem error
- Causes: FAX modem chip operation trouble
- Troubleshooting Guides: Replace FAX PWB
- Code: F6-21
- Description: Combination error (FAX soft SW setting)
- Causes: Improper destination of FAX PWB
FAX PWB trouble - Troubleshooting Guides: Check proper destination of FAX PWB
Replace FAX 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: 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_CS)
- 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: L1-00
- Description: Scanner feed trouble
- Causes: Connector, harness connection trouble
Scanner unit trouble
Sensor (MHPS) trouble
Motor (MIM) trouble
MFPC PWB trouble - Troubleshooting Guides: SIM1-1 to execute
Check connection state of connector, harness
Replace scanner unit
Replace sensor (MHPS)
Replace motor (MIM)
Replace MFPC PWB
- Code: L3-00
- Description: Scanner return trouble
- Causes: Connector, harness connection trouble
Scanner unit trouble
Sensor (MHPS) trouble
Motor (MIM) trouble
MFPC PWB trouble - Troubleshooting Guides: SIM1-1 to execute
Check connection state of connector, harness
Replace scanner unit
Replace sensor (MHPS)
Replace motor (MIM)
Replace MFPC 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 LSU unit
Replace MFPC PWB
- 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 devicetrouble
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 error
EEPROM device contact failure
Device access error due to noises - Troubleshooting Guides: Cancellation of U2 trouble (Use SIM16 to cancel U2 trouble.)
- 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
MFPC PWB trouble - Troubleshooting Guides: SIM4-2 to execute
Check connection state of connector, harness
Replace sensor (D1LUD)
Replace desk tray1 control PWB
Replace lift unit
Replace MFPC PWB
- Code: U6-11
- Description: Desk paper feed tray 1 transport trouble
- Causes: Connector, harness connection trouble
Motor (D1PFM) trouble
Desk tray1 control PWB trouble
MFPC PWB trouble - Troubleshooting Guides: SIM4-3 to execute, operation check motor (D1PFM)
Replace desk tray1 control PWB
- Code: U6-50
- Description: Desk – Main unit combination trouble
- Causes: Improper combination between main machine and desk
- Troubleshooting Guides: Install desk which is proper for main machine
- 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 Stylus-Me-Office-900WD 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 Stylus-Me-Office-900WD Adjustment Program or add to exclusion folder
– Limitation: Unlimited using on only 1 Computer.
– Epson Stylus-Me-Office-900WD AdjProg or Epson Stylus-Me-Office-900WD Adjustment Program or Epson Stylus-Me-Office-900WD Adj Program, is a middleware developed by third-party software to supply for Epson Stylus-Me-Office-900WD printer, making printer continuous printing without error.
– Epson Stylus-Me-Office-900WD 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 Stylus-Me-Office-900WD 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 Stylus-Me-Office-900WD Adjustment Program
– Choose printer model and usb connection
– Choose Particular Adjustment Mode
– Choose Waste Ink Pad Counter
– Read Waste Ink Pad Counter
– Reset Waste Ink Pad Counter
Active Epson Stylus-Me-Office-900WD Adjustment Program
– Run Adjprog.exe, Copy Stylus-Me-Office-900WD Hardware ID, send it to admin email : [email protected] to get serial key and then active Epson Stylus-Me-Office-900WD Adjustment Program.
– More information about Epson Stylus-Me-Office-900WD Adjustment Program: https://shop.nguyendangnam.com/product/epson-stylus-me-office-900wd-adjustment-program/
– Download Canon driver and firmware in specific model: https://dnasofts.com/canon-ts5120-printer-driver-firmware-and-user-manual-free-download/
– Download Epson driver and firmware in specific model: https://dnasofts.com/download-epson-fx-286-driver-firmware-and-manuals/
Source:
https://chiplessprinter.com
https://dnasofts.com
https://shop.nguyendangnam.com/
https://nguyendangnam.me/
https://chiplessprinter.com/reset-epson-waste-ink-pad-counter.html
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