Epson fx-2180 Service Manual page 8

2.1.2 Power Supply Circuit..........................................................................................................................................................................2-2
2.1.2.1 Power Supply Overview ............................................................................................................................................................2-2
2.1.3 Control Circuit.....................................................................................................................................................................................2-3
2.1.3.1 Overview of Control Circuit Operation .......................................................................................................................................2-3
TROUBLESHOOTING
3.1 OVERVIEW....................................................................................................................................................................3-1
3.2 TROUBLESHOOTING INFORMATION.........................................................................................................................3-1
3.2.1 Printhead .............................................................................................................................................................................................3-1
3.2.2 Detectors .............................................................................................................................................................................................3-2
3.2.3 Motors..................................................................................................................................................................................................3-3
3.2.4 Error Codes with Indications and Buzzer.........................................................................................................................................3-3
3.3 UNIT LEVEL TROUBLESHOOTING ................................................................................................. ............................3-4
3.4 REPAIRING THE POWER SUPPLY BOARD................................................................................................................3-7
3.5 REPAIRING C244 MAIN BOARD ASSEMBLY .............................................................................................................3-9
3.6 REPAIRING THE PRINTER MECHANISM..................................................................................................................3-12
DISASSEMBLY AND ASSEMBLY
4.1 OVERVIEW....................................................................................................................................................................4-1
4.1.1 Precaution ...........................................................................................................................................................................................4-1
4.1.2 Tools ....................................................................................................................................................................................................4-1
4.1.3 Service Check After Repair................................................................................................................................................................4-2
4.1.4 Specifications for Screws ..................................................................................................................................................................4-3
4.2 DISASSEMBLY AND ASSEMBLY ................................................................................................................................4-4
4.2.1 Preparation for Disassembly the Printer ..........................................................................................................................................4-5