Sharp AL2021 with list Error Codes and Epson K100 Adjustment Program

Sharp AL2021 Printer with list Error Codes and Epson K100 Adjustment Program

– Printer model: Sharp AL2021
– Error codes on Sharp AL2021 with details instruction fixing:

Code: E7-01
Description: Image data error
Causes: Communication error with the E-sort module MCU PWB trouble ASIC trouble

Code: E7-06
Description: Image data decode error
Image expansion error
Causes: MCU PWB abnormality USB cable trouble

Code: E7-10
Description: Shading trouble (Black correction)
The CCD black scan level is abnormal when the shading.
Causes: Improper connection of the CCD unit flat cable CCD unit abnormality MCU PWB abnormality

Code: E7-11
Description: Shading trouble (White correction)
The CCD white scan level is abnormal when the shading.
Causes: Improper connection of the CCD unit flat cable Dirt on the mirror, the lens, and the reference white plate Copy lamp lighting abnormality CCD unit abnormality MCU PWB abnormality (When occurred in the SPF scan position.) Improper installation of the mirror unit

Code: E7-16
Description: Abnormal laser output
When the laser output is stopped, HSYNC is detected.
Causes: Laser abnormality MCU PWB abnormality.

Code: E7-20
Description: LSU trouble
The BD signal from the LSU cannot be detected in a certain cycle. (Always OFF or always ON)
Causes: LSU connector or LSU harness defect or disconnection Polygon motor rotation abnormality Laser beams are not generated. MCU PWB abnormality.

Code: F2-64
Description: Toner supply abnormality
The maximum toner supply time is greatly exceeded.
Causes: CRUM chip trouble Improper developing unit

Code: F2-70
Description: Improper cartridge
The destination of the main unit differs from that of the CRUM. When the life cycle information is other than Not Used (FFh).
Causes: CRUM chip trouble Improper developing unit

Code: F2-74
Description: Toner cartridge CRUM error PCU
Causes: Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector/harness trouble.

Code: F5-02
Description: Copy lamp lighting abnormality
The copy lamp does not turn on.
Causes: Copy lamp abnormality Copy lamp harness abnormality CCD PWB harness abnormality.

Code: H2-00
Description: Thermistor open
The thermistor is open. The fusing unit is not installed.
Causes: Thermistor abnormality Control PWB abnormality Fusing section connector disconnection The fusing unit is not installed.

Code: H3-00
Description: Heat roller high temperature detection
The fusing temperature exceeds 240°C.
Causes: Thermistor abnormality Control PWB abnormality Fusing section connector disconnection.

Code: H4-00
Description: Heat roller low temperature detection
1) When the target temperature (165°C) is not reached in 55 sec after starting warming-up. 2) When the temperature below 100°C is detected for 300ms under the ready print state. ‘Starting warming-up’ means not only that in power supply but also reset that in reset from shut-off and in side door close. (The timing of generating H4 is not limited to that in power supply.)
Causes: Thermistor abnormality Heater lamp abnormality Thermostat abnormality Control PWB abnormality

Code: L1-00
Description: Feeding is not completed within the specified time after starting feeding. (The scan head locking switch is locked)
The white area and the black marking on the shading plate are used to obtain the difference in the CCD level values for judgment of lock. When the difference in the levels of which and black is small, it is judged that the black mark could not be scanned by lock and the trouble code ‘L1’ is displayed.
Causes: The scan head is locked by the lock switch. Mirror unit abnormality The scanner wire is disconnected. The origin detection sensor abnormality Mirror motor harness abnormality

Code: L3-00
Description: Scanner return trouble
When the mirror base is returned for the specified time (6 sec) in mirror initializing after turning on the power, the mirror home position sensor (MHPS) does not turn ON. Or when the mirror base is returned for the specified time (about 6 sec) after start of copy return, the mirror home position sensor (MHPS) does not turn ON.
Causes: Mirror unit abnormality Scanner wire disconnection Origin detection sensor abnormality Mirror motor harness abnormality

Code: L4-01
Description: Main motor lock detection
When the main motor encoder pulse is not detected for 100 msec.
Causes: Main motor unit abnormality Improper connection or disconnection the main motor and the harness. MCU PWB abnormality

Code: L4-31
Description: Exhaust fan motor lock detection trouble
The error detection is started after 2 sec from starting rotation of the exhaust fan motor. 1) The continuous rotation state of 250ms is not detected for 1 sec after starting detection. 2) When the lock sensor (in the exhaust fan) detects the HIGH level (unstable) after detection the lock state (stable state).
Causes: Exhaust fan motor connector connection trouble Exhaust fan motor trouble MCU PWB trouble

Code: L6-10
Description: Polygon motor lock detection
The lock signal (specified rpm signal) does not return within a certain time (about 20 sec) from starting the polygon motor rotation.
Causes: Polygon motor unit abnormality Improper connection or disconnection of the polygon motor and the harness. MCU PWB abnormality

– Sharp AL2021 printer Error Codes and quick guide on repairing:

Code: U2-00
Description: EEPROM read/write error (Serial communication error)
Causes: EEPROM abnormality

Code: U2-11
Description: Counter check sum error (EEPROM)
Check sum error of the counter area in the EEPROM
Causes: EEPROM abnormality

Epson K100 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 K100 Adjustment Program or add to exclusion folder
– Limitation: Unlimited using on only 1 Computer.
– Epson K100 AdjProg or Epson K100 Adjustment Program or Epson K100 Adj Program, is a middleware developed by third-party software to supply for Epson K100 printer, making printer continuous printing without error.

– Epson K100 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 K100 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 K100 Adjustment Program

– Choose printer model and usb connection

– Choose Particular Adjustment Mode

Using Epson K100 Adjustment Program Step 2

– Choose Waste Ink Pad Counter

Using Epson K100 Adjustment Program Step 4

– Read Waste Ink Pad Counter

Using Epson K100 Adjustment Program Step 5

– Reset Waste Ink Pad Counter

Using Epson K100 Adjustment Program Step 6

Active Epson K100 Adjustment Program

– Run Adjprog.exe, Copy K100 Hardware ID, send it to admin email : [email protected] to get serial key and then active Epson K100 Adjustment Program.