Service Manual
Page 59
...Connection of Control Panel ~ 1 Main Circuit Board (CN1 ~ CN20) are connected properly. Replace the harness. Go to Step 3 Firmware 3 Upgrade firmware to restore the default settings. ♦Is the problem solved? Problem solved Go to 3.2.11 Electrical Noise (p.62) Revision B ... solved? Go to 3.2.11 Electrical Noise (p.62) Troubleshooting Troubleshooting Based on -line operation (normal self-printing, though) Table 3-9. EPSON FX-890/2190 3.2.6 Abnormal operation of the Control Panel with a new one . ♦Is the problem solved? Harness of Control...
...Connection of Control Panel ~ 1 Main Circuit Board (CN1 ~ CN20) are connected properly. Replace the harness. Go to Step 3 Firmware 3 Upgrade firmware to restore the default settings. ♦Is the problem solved? Problem solved Go to 3.2.11 Electrical Noise (p.62) Revision B ... solved? Go to 3.2.11 Electrical Noise (p.62) Troubleshooting Troubleshooting Based on -line operation (normal self-printing, though) Table 3-9. EPSON FX-890/2190 3.2.6 Abnormal operation of the Control Panel with a new one . ♦Is the problem solved? Harness of Control...
Service Manual
Page 75
... the C524MAIN Board to "Adjustment Program" on page -97. : • Bi-D Adjustment • EEPROM Writing • USB-ID Input • Firmware Reloading COVER, CONNECTOR,UPPER C524MainB_R01.eps Figure 4-10. Then remove the I /F Board to the C524MAIN board. Lead the lead wires as shown below: CBP... to the I /F GROUNDING PLATE together with the adjustment program. C524MAIN Board Removal 3 Disassembly and Assembly Main Components Disassembly 75 EPSON FX-890/2190 5. Remove the 2 CBS (M3x12) screws securing the COVER,CONNECTOR,UPPER or the optional Type-B I /F GROUNDING PLATE.
... the C524MAIN Board to "Adjustment Program" on page -97. : • Bi-D Adjustment • EEPROM Writing • USB-ID Input • Firmware Reloading COVER, CONNECTOR,UPPER C524MainB_R01.eps Figure 4-10. Then remove the I /F Board to the C524MAIN board. Lead the lead wires as shown below: CBP... to the I /F GROUNDING PLATE together with the adjustment program. C524MAIN Board Removal 3 Disassembly and Assembly Main Components Disassembly 75 EPSON FX-890/2190 5. Remove the 2 CBS (M3x12) screws securing the COVER,CONNECTOR,UPPER or the optional Type-B I /F GROUNDING PLATE.