🚀 go-pugleaf

In article <1992Apr14.211802.21682@den.mmc.com>, pschauer@den.mmc.com (Paul
Schauer) says:
>
>Forgive me if this is the second time this req shows up. My posting
>program sent my last one off to lala land (I think...).

Okay.  Someone else also email me.  I think it is time for a repost +
some additional ASCII picture in case some of you have doubts.

Well you get yourself a 32K static Ram chip (120ns or faster).  Pop open
the printer.  Pop the front panel off in case you have problem finding
the screws.  Those guys hide them in the front.  There are 3 philips
screws in the front behind the panel.  You'll need to remove the paper
knob too.

                                       See seams here
       Back                               V  Jam a plastic ruler
    _________----------------------------- _   along the seams
   | ||||||                               | |    and pop the panel
   |                                      | |   ---->  off the front
   >______________________________________|__\
    \                                         |
   ^ \________________________________________|
   |
   |
 Hinge                                    ^  lift top gently
               ----------------------------
                                           |   3 screws hidden behind
                                           | V the front panel
                ___________________________|__
                                              |
                 _____________________________|

Remove screws & paper knob.  Lift top up from the front.  There are
plastic taps thing at the back to hold it down.  Just lift the top
to about 45 degrees and the whole top should come off.    (gently!!)


There is only 1 empty 28 pin socket on the whole PC board.  There is
even a indicator for the pin 1 (if not,line it the same way as the 128K
ROM chip next to it.  Most good designs have chips facing the same way.
They'll have a fun time to reroute all the lines between the ram & rom
just to confuse you.  :)  <- If you know which one is the rom, you'll not
going to have problem :)  Assemble & test.  (If you don't trust yourself,
reverse the order of the two.)  Try printing a high-res graphics file
and set the printer to do a didirectional mode to test out the buffer.
Enjoy !!  I did.

K. C. Lee
Elec. Eng. Grad Student
P.S. May be someone can answer this next time.... :)