Transport roller drive source..........................................................................................................1286
Gate/pickup arm drive source..................................................................................................... 1287
Inter-roller transport path...............................................................................................................1287
Sensor position............................................................................................................................... 1288
Paper Exit Driven Roller and Paper Support Guide.................................................................... 1289
Removing Wrinkling in the Tray.................................................................................................... 1290
Fusing........................................................................................................................................................... 1292
Changes from the Previous Machine.................................................................................................... 1292
Overview................................................................................................................................................. 1293
Mechanism..............................................................................................................................................1296
Fusing system.................................................................................................................................. 1296
Temperature Control (MP C4504/C5504/C6004)................................................................ 1297
Temperature Control (MP C3004/C3504)............................................................................... 1299
Fusing drive.....................................................................................................................................1299
Pressure release mechanism..........................................................................................................1300
Fusing temperature control............................................................................................................1301
CPM down control.........................................................................................................................1302
Curl Correction Mechanism.......................................................................................................... 1303
Electrical parts............................................................................................................................................. 1307
Changes from the Previous Machine.................................................................................................... 1307
Block diagram.........................................................................................................................................1308
Board outline...........................................................................................................................................1308
Controller........................................................................................................................................ 1308
SBU..................................................................................................................................................1308
LDB.................................................................................................................................................. 1308
BCU.................................................................................................................................................1309
IPU................................................................................................................................................... 1309
MSENS1 (Proximity Sensor), MSENS2 (Proximity Sensor Board)........................................... 1309
IOB.................................................................................................................................................. 1309
FCU................................................................................................................................................. 1309
OPU.................................................................................................................................................1309
HVP (composite high-voltage power supply TTS/CB)............................................................... 1309
PSU..................................................................................................................................................1309
33