Sunday 26 February 2012

Change RFA or Ribbon Drive Unit of Epson LQ-2180/2170/2190



RFA unit used for moving ribbon. If ribbon not moving properly. I this case Print Head Can be damaged. Ribbon may be tearing. In this reason you have to change RFA Unit as soon as possible.You should follow few steps to change RFA or Ribbon Drive Unit.If you are first time servicing Epson LQ-2180 printer please Stop Now.Because is difficult to assembled.

Disconnect All Connection from Printer. (Power .Data Cable)
Step 1: Remove Support Paper palette of your Printer.
Step 2: Remove Screw
Step 3: Remove Roller Knob
Step 4: Remove Control Board.
Step 5: Unlock Top Cover
Step 6: Finally open top cover
After Open top cover you have to remove all connection from printer Mother Board.
1. Remove 3 data (one sensor, Two Head) cable.
2. Remove All sensor Cable
3. Remove Two Motor Power cable.
4. Remove 4 screws to pickup Mechanical part of printer from casing.
For replace RFA Unit.
1. Remove Head Moving Motor to open RFA Chain tape from Motor.
2. Remove Paper feed Roller
3. Remove all screw of left side Metal pallet. (Don’t remove right side Gear Bush)
4. Remove All Screw of RFA.
5. Replace old RFA and Set New RFA.
6. Set (assembled)left side Metal Pallet. Head Moving Motor…… in this way all setting inversely.