Firmware bug in FW23 (releases 230.001-230.223) causes 129.00, 129.10, 129.20, and 129.30 errors. Impacted toner cartridge supply reports at 4% level with empty toner cartridge. Printout appears lighter than expected
Lexmark CX923
Support article for Lexmark CX923
Firmware bug in FW23 (releases 230.001-230.223) causes 129.00, 129.10, 129.20, and 129.30 errors. Impacted toner cartridge supply reports at 4% level with empty toner cartridge. Printout appears lighter than expected
Issue description
A firmware bug in FW23 causes the following issues:
Supply level to remain at 4%, even after the toner cartridge is empty.
“Replace cartridge [88.00]” is not to be reported to the user. The supply level reported remains at 4%, however, the impacted toner cartridge is empty.
Error codes 129.00, 129.10, 129.20, and 129.30 are reported because the cartridge is empty but not reported as empty.
Print quality may be impacted before 129.00, 129.10, 129.20, and 129.30 error states are reached. The impacted color is lighter than expected. Impact on print quality: Expected output (left) vs. the output before the 129.10 error (right).
Solution
To resolve the 129.00, 129.10, 129.20, and 129.30 error codes, install a new toner cartridge supply for the impacted color.