Inventors:
Jerome E. Jackson - Newtown CT
Edilberto I. Salazar - Brookfield CT
Christopher D. Smith - Milford CT
Assignee:
Pitney Bowes Inc. - Stamford CT
International Classification:
B41J 2195
Abstract:
An ink jet printer comprising a replaceable cartridge having a supply of ink and a controller in operative communication with the cartridge. The controller keeps an estimate of an amount of ink remaining in the cartridge and provides a signal indicating that the cartridge is to be weighed in response to a predetermined event. A method of operating an ink jet printer, a postage printing apparatus and a method of operating a postage printing system are also provided.