Printing or copying appliance with exchangeable part units which have an identification device, method for operating an appliance of this type and toner containers for use in the same
US6181885A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 3, 2000 |
| Grant date | Jan 30, 2001 |
| Priority date | — |
| Expiry date | Jan 3, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/17
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a printing or copying device which has one or several exchangeable part units with a modular assembly, the part unit to be identified has an identification device with a non-volatile memory for storing function-relevant operating data of the part unit, said operating data being allocated to operating states. The part unit also has a communication interface for detachably connecting the identification device to a process control device of the printing or copying device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.