| G | PHYSICS |
| 03 | PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY |
| G | ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY |
| 15 | Apparatus for electrographic processes using a charge pattern |
| 20 | for fixing, e.g. by using heat |
| 2003 | using heat |
| 2014 | using contact heat |
| 2017 | Structural details of the fixing unit in general, e.g. cooling means, heat shielding means |
| 2025 | with special means for lubricating and/or cleaning the fixing unit, e.g. applying offset preventing fluid |