Samsung SCX4521F Service Manual - Page 34

System Overview 3.5 OPE(Operational Panel Equipment) 1) Ope Panel OPE Panel has a MICOM Chip on it and communicates with Main CPU using Serial communication Line(SIO). OPE Panel consists of Micom, Key Matrix Part, LED Driving Part and LCD Part. 2) Key Description No Part 1 Common Feature 3*4Key Start Stop/Clear Menu Upper Level Enter 2 Save U5 (IC-DRAM/ 512K x 16Bit) Toner Save 3 Copy Reduce/Enlarge No.of Copies (IC-POSI, ADSUST REG) U7 Original Type (IC-CMOS LOGIC, INVER TER) U10 Darkness (IC-MOTOR DRIVER) U12 Favorite Copy 4 Fax Resolution 5 Scan Phone Book Broadcasting On Hook Dial Redial / Pause Scan to Function Dialing and Option Input Starting Fax/Copy Job Cancel Current Job/Return to default Option select U1 (IC-VOLTAGE COMP) Return to upper level menu Option select/Execute Next menu or Next option item U3 (IC-CLOCK GENERATOR) 12.0MHz Previous menu or Previous option item TONER SAVE MODE select Select ZOOM ratio when copy Select the number of copies Change Copy Modes(Text,Text/Photo,Photo)U8 (IC-EEPROM/256x12Bit) Change the Darkness of the Copied image (LighUt9/N(IoC-rPmOSaI,lF/LDXEaDrRkE)G) Select one of the predefined Copy templates. STANDARD>FINE>SUPER FINE>PHOTO>COLOR Search the user defined Phone number. When sending FAX data to many place in the same time. On Hook Dial Last number Redial / Pause select [scan to PC], [scan to FAX], [scan to E-mail] function. 3) LCD Part - Number of Characters : 16 Characters x 2 line Clock, Date display System Status display Alarm, Error Message display Function Dialog Message display 3-12 Service Manual Samsung Electronics