Panasonic KX-P4420 - Toner Error Messages

DocumentID: 646494
Revision Date: 29-Feb-96 8:19:15 PM

The information in this document applies to:
WordPerfect® 5.1 for DOS

Problem

Solutions: Low Toner Toner is below the upper level in the toner cartridge. Printing is possible. Change toner cartridge. Error code U20. Change Toner Too many copies tried with Low Toner U20 displayed. (Printing is impossible). Change toner cartridge. Error code U21. Toner Charge A low toner condition is detected and toner is being supplied. (Printing is possible). Automatic recovery. Error code U22. No Toner Cup Toner disposal bottle is not installed. Install or replace toner disposal bottle. Error code U23. TNR Cup Full Toner disposal bottle is full. Install new toner disposal bottle. Error code U28. No TNR Cart Toner cartridge and developer unit is not installed. Install toner cartridge and developer unit. Error code U29.

Answer:

Details:

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