How to solve error 6A90 or "APP sensor error" on Canon printers

Error code 6A90 or "APP sensor error" occured during paper feeding or purging.

Solution 1:
check for foreign material or paper debris around the purge drive system unit;
- remove foreign material.
Solution 2:
check for foreign material or paper debris around the ASF unit;
- remove foreign material.Solution 3:
If other solution fail, replace one off the following part- Purge drive system unit
- Logic board. More information click here

Read More..

How to solve error 6A90 or "APP sensor error" on Canon printers

Error code 6A90 or "APP sensor error" occured during paper feeding or purging.

Solution 1:
check for foreign material or paper debris around the purge drive system unit;
- remove foreign material.
Solution 2:
check for foreign material or paper debris around the ASF unit;
- remove foreign material.

Solution 3:
If other solution fail, replace one off the following part- Purge drive system unit
- Logic board

Read More..