Service Manual
Page 28
... • Elements on driver ICs, etc., on , be sure to wear some kind of fire igniting from heat from internal circuitry and from sparks. When conducting service that requires disassembly. Such parts and components must be sure to switch off , for high temperature parts to prevent any moving parts. 2-1 MultiPASS C755 Chapter 2: Assembly...
... • Elements on driver ICs, etc., on , be sure to wear some kind of fire igniting from heat from internal circuitry and from sparks. When conducting service that requires disassembly. Such parts and components must be sure to switch off , for high temperature parts to prevent any moving parts. 2-1 MultiPASS C755 Chapter 2: Assembly...
Service Manual
Page 135
NCU board Speaker MultiPASS C755 Chapter 3: Maintenance & Service 10. BLOCK DIAGRAM 10.1 Block Diagram ROM 16M bit (IC201... to SA23 DRAM 64Mbit (IC203) Figure 3-43 Block Diagram 3-84 Document feed motor M Driver IC (IC 501) Carriage motor M Paper feed motor Driver IC (IC 201) M Pickup roller sensor Paper edge sensor Temperature sensor Cover sensor Ink... scanning section ROM 8M bit DRAM 16M bit (IC102) (IC202) Heater Heater driver driver LED Color Contact sensor Home position sensor Cartridge detection Subheater BJ head Modem IC FM336 (IC701) Communication control ...
NCU board Speaker MultiPASS C755 Chapter 3: Maintenance & Service 10. BLOCK DIAGRAM 10.1 Block Diagram ROM 16M bit (IC201... to SA23 DRAM 64Mbit (IC203) Figure 3-43 Block Diagram 3-84 Document feed motor M Driver IC (IC 501) Carriage motor M Paper feed motor Driver IC (IC 201) M Pickup roller sensor Paper edge sensor Temperature sensor Cover sensor Ink... scanning section ROM 8M bit DRAM 16M bit (IC102) (IC202) Heater Heater driver driver LED Color Contact sensor Home position sensor Cartridge detection Subheater BJ head Modem IC FM336 (IC701) Communication control ...
Service Manual
Page 138
... Kbit EEPROM (Electrically Erasable and Programmable ROM) stores various printer emulation settings, and the waste ink amount discharged to the carriage motor driver. • Detection of BJ head temperature • Detection of printer's internal temperature. • Detection of the printer controller are...working area. d-2) ROM (IC 202) The 8 Mbit control/CG ROM contains the program and bitmap font data for optimum driving. MultiPASS C755 Chapter 3: Maintenance & Service d) Printer control section d-1) MPU&Printer controller (IC 101) The main functions of Home position sensor, Paper...
... Kbit EEPROM (Electrically Erasable and Programmable ROM) stores various printer emulation settings, and the waste ink amount discharged to the carriage motor driver. • Detection of BJ head temperature • Detection of printer's internal temperature. • Detection of the printer controller are...working area. d-2) ROM (IC 202) The 8 Mbit control/CG ROM contains the program and bitmap font data for optimum driving. MultiPASS C755 Chapter 3: Maintenance & Service d) Printer control section d-1) MPU&Printer controller (IC 101) The main functions of Home position sensor, Paper...