Replacing The Rom - Epson C117001-N - DFX 5000+ B/W Dot-matrix Printer Service Manual

Service Manual

3.2.2 Replacing the ROM

You can replace the ROM without disassembling the printer.
below. Refer to Section 3.2.3.lfor instructions on remooing the top cover.
weight on the top cover or any other ptinter components.
oriented correctly. Insert the ROM care filly to avoid damafl"ng the ROMp"ns and the board.
1. Tilt back the printer and lay it on its back. Hold the top cover closed if it is not removed.
2. Remove the CBB (M3 x 10) screw securing the ROM cover, remove the cover, and replace the
ROM using the ROM holder.
I
I
I
Rev. A
'— CBB(M3X1 o)
Figure 3-9. Replacing the ROM
3-9