Cleaning block .................................................................................................................. 175
Step 9: Drum cleaning ...................................................................................... 175
Print cartridges .................................................................................................................. 175
Memory tag ...................................................................................................... 177
Cartridge presence detection ............................................................................................ 177
Memory tag detection ....................................................................................... 177
Photosensitive drum detection ......................................................................... 177
Developing cylinder disengaging control ......................................................... 178
ETB (electrostatic transfer/transport belt) ......................................................................... 178
Transfer roller (Y, C, M) engagement/disengagement detection ..................................... 180
Transfer roller engagement/disengagement control ......................................................... 180
Calibration and cleaning ................................................................................................... 181
ETB cleaning .................................................................................................... 182
Color misregistration corrective control ........................................................... 183
Color misregistration detection ......................................................................................... 184
Image stabilization control ................................................................................................ 185
Environmental change control ......................................................................... 186
Conditions leading up to DHALF ...................................................................... 187
Image halftone calibration control (DHALF) ..................................................... 187
Image density detection ................................................................................... 187
Pickup/feed system ........................................................................................................................... 189
Pickup/feed unit ................................................................................................................ 194
Paper tray detection and paper tray media size detection .............................. 194
Paper tray pickup operation ............................................................................. 195
Media lift-up operation ...................................................................................... 196
Initial lift-up ...................................................................................... 196
Lift-up during printing ....................................................................... 196
Multiple-feed prevention ................................................................................... 197
Skew correction ................................................................................................ 199
Media detection ................................................................................................ 200
Feed speed control .......................................................................................... 201
Fusing and delivery block ................................................................................................. 202
Loop control ..................................................................................................... 202
Fusing pressure release mechanism ............................................................... 203
Jam detection ................................................................................................... 204
Pickup delay jam ............................................................................. 205
Pickup stationary jam ...................................................................... 205
Delivery delay jam ........................................................................... 205
Door open jam ................................................................................. 205
Residual paper jam ......................................................................... 205
Reversing unit jam 1 ........................................................................ 205
Reversing unit jam 2 ........................................................................ 206
Duplexing pickup unit jam 1 ............................................................ 206
Automatic delivery function ............................................................. 206
Duplex feed unit ................................................................................................................ 206
Reversing/duplexing feed operation ................................................................ 207
Jam detection ................................................................................................... 209
Reversing unit jam 1 ........................................................................ 210
Reversing unit jam 2 ........................................................................ 210
Duplexing pickup unit jam 1 (Duplexing unit stationary jam) .......... 210
ENWW ix
To Next Page
Loading...