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) |