Questions & Answers for: Sharp code 91

code u2-91 after power outage U2 code indicates trouble with one of the control boards in the copier. Try the following to clear it ..... press the following keys "P" "*" "c" "*" (first make sure you ...

call for service. code: u2-91. cartridge

CALL FOR SERVICE. CODE: U2-91 U2 is memory problem use code 16 to reset it

Code U2-91 on Sharp AR-M350N Try to reset this by #*C* and press 16 press start, if this not resolves your problem theEEPROM is defective , Replace EEPROM on the MCU PWB.

...91 code This code may clear by simply switching the machine off via its main power switch. To reset it using a test simulation try the following: # * C * then type 16 and press your start / copy key. ...

...u code u-2 91 solve problem try removing memory see if it goes away, if yes replaced memory. remove, turn off put back in turn on see if it comes back U2-91 PCU section memory sum check error Crop ...

Code U2-91 indicate? This seems a common error across a wide range of Sharp printers/copiers. It means PCU PWB EEPROM CHECK SUM ERROR See the following two links (for example) Thread U2 91 on MX 5000N

How to troubleshoot error code: U2-91 on Sharp MX-M264N? Checked the EEPROM Chip and or main board might need to have tech come out o re-flash the software.

How to troubleshoot error code: U2-91 on Sharp MX-M264N crum is empty or out of order so u need to replace .