Control for a fuser of an electrophotographic imaging device which determines current line voltage
US9709936B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2016 |
| Grant date | Jul 18, 2017 |
| Priority date | — |
| Expiry date | Apr 14, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/305
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A system and method for controlling the fuser heater of an electrophotographic imaging device, including determining an initial temperature of the fuser heater; calculating a plurality of warm-up times for heating the fuser heater to a first predetermined temperature based on the initial temperature and a plurality of previously determined warm-up times taken over a plurality of line voltages and stored in memory of the electrophotographic device; determining an actual warm-up time for heating the fuser to the first predetermined temperature; selecting a first calculated warm-up time and a second calculated warm-up time from the plurality of calculated warm-up times; determining a first line voltage value and a second line voltage value corresponding to the first and second warm-up times, respectively, and calculating a current line voltage based on the actual warm-up time, the first and second calculated warm-up times, and the first and second line voltage values.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.