| 399 / | HD | ELECTROPHOTOGRAPHY | 
| 38 | DF | CONTROL OF ELECTROPHOTOGRAPHY PROCESS {15} | 
| 46 |  | .~ Of plural processes {3} | 
| 47 | DF | .~.~> Having detection of exposure light | 
| 48 | DF | .~.~> Having detection of photoconductor potential | 
| 49 | DF | .~.~> Having detection of toner (e.g., patch) |