| Class 399 | ELECTROPHOTOGRAPHY |
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![[List of Pre Grant Publications for class 399 subclass 1]](../as.gif) | ![[List of Patents for class 399 subclass 1]](../ps.gif) | 1 | COMBINED WITH DIVERSE SUBJECT MATTER |
| | 8 | REMOTE MONITORING |
| | 9 | DIAGNOSTICS |
| | 10 |  Log report |
| | 11 | Service mode |
| | 12 | Unit or part identification |
| | 13 | Component present or mounted |
| | 14 | Unacceptable copy coverage |
| | 15 | By inspection of copied image |
| | 16 | Document handling |
| | 24 | Consumable |
| | 31 | Image forming component |
| | 33 | Fixing (e.g., over-temperature protection) |
| | 34 | Cleaning |
| | 36 | Of motive power or driven unit |
| | 37 | Power supply |
| | 38 | CONTROL OF ELECTROPHOTOGRAPHY PROCESS |
| | 39 | Color balance |
| | 42 | Artificial intelligence |
| | 43 | Responsive to number of copies or passage of time |
| | 44 | Having temperature or humidity detection |
| | 45 | Responsive to copy media characteristic |
| | 46 | Of plural processes |
| | 47 |  Having detection of exposure light |
| | 48 | Having detection of photoconductor potential |
| | 49 | Having detection of toner (e.g., patch) |
| | 50 | Control of charging |
| | 51 | Control of exposure |
| | 53 | Control of developing |
| | 66 | Control of transfer |
| | 67 | Control of fixing |
| | 71 | Control of cleaning |
| | 72 | Forming test image |
| | 73 | Electrometer detail |
| | 74 | Densitometer detail |
| | 75 | MACHINE OPERATION |
| | 76 | Sequential control |
| | 79 | Accounting |
| | 81 | Operator interface (e.g., display control panel) |
| | 82 | Job mode |
| | 88 | Having power supply |
| | 90 | Electrical connection |
| | 91 | INTERNAL MACHINE ENVIRONMENT |
| | 107 | HAVING PARTICULAR STRUCTURE |
| | 108 | Portable |
| | 109 | Remanufacturing |
| | 110 | Modular or displaceable |
| | 111 | Process cartridge unit |
| | 115 | Charging unit |
| | 116 | Photoconductive member |
| | 118 | Optics |
| | 119 | Developing unit |
| | 121 | Transfer unit |
| | 122 | Fixing unit |
| | 123 | Cleaning unit |
| | 124 | Paper path access |
| | 125 | Clamshell type |
| | 126 | Adjustment |
| | 127 | SUPPLEMENTAL ELECTROPHOTOGRAPHIC PROCESS |
| | 130 | IMAGE FORMATION |
| | 131 | Photoelectrophoretic |
| | 132 | Thermoplastic deformation |
| | 133 | Having layer separation (e.g., manifold imaging) |
| | 134 | Having photoconductive toner |
| | 135 | Ion modulation (e.g., screen) |
| | 136 | Simultaneously with charge transfer |
| | 137 | Optical intermediate storage of original image |
| | 138 | Operator adjusted density |
| | 139 | Formation of master, photocopy-printer |
| | 140 | To produce microimage |
| | 143 | Selectively positive or negative |
| | 144 | Reader-printer |
| | 145 | Plural copies from same latent image |
| | 146 | Contact exposure |
| | 147 | Having overlayer |
| | 148 | Combined or plural functions by single component |
| | 151 | Combined with scanning |
| | 152 | Simultaneous exposure and development |
| | 153 | Simultaneous charging and exposure |
| | 154 | Having transfer of latent image |
| | 155 | Having reciprocating imaging member |
| | 156 | Having modification of latent image |
| | 158 | Display of developed image |
| | 159 | Photoconductive member |
| | 168 | Charging |
| | 177 | Exposure |
| | 178 | Formation of color separation images |
| | 181 | Halftone image |
| | 182 | Having image editing |
| | 193 | Binding offset |
| | 194 | Composite |
| | 195 | Generating paper feed signal |
| | 196 | Variable magnification |
| | 203 | Selective or convertible |
| | 204 | Two-up copying |
| | 205 | Having reference position (relative positioning) |
| | 206 | Slit exposure |
| | 207 |  Diaphragm, shutter, shading board |
| | 208 | Speed or acceleration control |
| | 209 | Variable scanning (e.g., length) |
| | 210 | Damping or braking |
| | 211 | Scanning carriage parallel to original |
| | 213 | Movable platen |
| | 215 | By conveying original |
| | 216 | By pivoting mirror |
| | 217 | Full frame exposure (entire original at once) |
| | 218 | Lens |
| | 219 | Fiber optics |
| | 220 | Light source |
| | 222 | Development |
| | 223 | Plural diverse (e.g., color) |
| | 224 | Adding toner |
| | 225 | Single applicator |
| | 226 | Plural applicators single position |
| | 228 | Selectively active |
| | 231 | Toner images overlapped |
| | 233 | Liquid |
| | 234 | Development prevention |
| | 236 | Applicator speed |
| | 237 | Liquid development |
| | 238 | Having dispensing |
| | 239 | Application member (e.g., roller, belt) |
| | 241 | Having electrode |
| | 246 | Sprayed |
| | 248 | Immersion |
| | 249 | Removing excess developer (e.g., squeegee) |
| | 250 | Liquid carrier condensation |
| | 251 | Drying (e.g., warming, heating) |
| | 252 | Dry development |
| | 253 | Conditioning of toner |
| | 254 | Mixing |
| | 257 | Purging |
| | 258 | Supplying new toner |
| | 259 |  Diverse (e.g., carrier and toner) |
| | 260 | Metering (regulating, gate, discharge ports) |
| | 261 | Vibration |
| | 262 | Cartridge |
| | 264 | Removing excess developer |
| | 265 | Application member |
| | 266 | Having cloud-forming application |
| | 267 | Magnetic brush |
| | 268 |  Having sheet guide |
| | 269 | Plural |
| | 270 | Having applied bias |
| | 272 | Loading |
| | 273 | Unloading (e.g., scraper) |
| | 274 | Regulating (e.g., doctor) |
| | 276 | Sleeve |
| | 277 | Magnet |
| | 279 | Roller |
| | 280 | Having concentric film |
| | 281 | Loading |
| | 283 | Unloading (e.g., scraper) |
| | 284 | Regulating (e.g., doctor) |
| | 285 | Having applied bias |
| | 286 | Details |
| | 287 | Fiber brush |
| | 288 | Web or belt |
| | 289 | Having field curtain |
| | 290 | Powder cloud |
| | 292 | Fluidized bed |
| | 294 | Cascade |
| | 296 | Treatment of developed image prior to transfer |
| | 297 | Transfer |
| | 298 | Color |
| | 299 | From plural photoconductive members (e.g., drums) |
| | 300 | From multiple positions |
| | 301 | Registration |
| | 302 | By intermediate transfer member |
| | 303 | Copy medium carrier (e.g., drum or belt) |
| | 306 | From plural photoconductive members (e.g., duplex) |
| | 307 | Having simultaneous fixing |
| | 308 | By intermediate transfer member |
| | 310 | Electrostatic |
| | 311 | Corona |
| | 313 | Roller or belt |
| | 314 | Having applied bias |
| | 315 | Having discharger (e.g., separation) |
| | 316 | Having copy medium guide |
| | 318 | By pressure |
| | 319 | Vibration |
| | 320 | Fixing (e.g., fusing) |
| | 343 | CLEANING OF IMAGING SURFACE |
| | 344 | Color |
| | 345 | Retractable cleaning arrangement |
| | 346 | Including lubricant |
| | 347 | Abrasion or film removal |
| | 348 | Removing liquid developer |
| | 349 | Plural diverse |
| | 350 | Blade |
| | 352 | Web |
| | 353 | Fibrous brush |
| | 356 | Magnetic |
| | 357 | Roller |
| | 358 | Having handling of removed material |
| | 361 | DOCUMENT HANDLING |
| | 362 | Book copying |
| | 363 | Original and copy |
| | 365 | Original |
| | 366 | Unauthorized copy prevention |
| | 367 | Automatic document feeder |
| | 368 | Plural originals simultaneously |
| | 369 | Plural document holders |
| | 370 | Having size detection |
| | 371 | Having position detection |
| | 372 | Registration |
| | 373 | Recirculating |
| | 374 | Copying both sides of original |
| | 375 | For continuous or fanfold paper |
| | 376 | Having detection of size |
| | 377 | Holder |
| | 381 | Copy |
| | 382 | Interleaving (e.g., cover or partitioning sheet) |
| | 383 | Plural copies (from same original) |
| | 384 | Continuous (e.g., roll, fanfold) |
| | 388 | Feeding to transfer position |
| | 389 | Having detection of size or type |
| | 390 | Having treatment of copy medium |
| | 391 | Plural copy medium sources |
| | 393 | Copy medium input tray |
| | 394 | In registration with image |
| | 397 | Delivering from transfer position |
| | 411 | MISCELLANEOUS |
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