OK?..manual is complet and helpfull... for repairing such a old and rare boombox like JVC PCM it is necessary...
Text excerpt from page 34 (click to view)
July 6th, 1998
INSTALLING OPTIONAL UNITS
3.3.6 PAPER FEED UNIT (SIDE FLOW)
Installation Procedure 1. Put the machine on the paper feed unit [A], and remove the connector cover [B] (1 screw). 2. Secure the machine and the paper feed unit at the front side with the panel screw [C], spacer [D], and the collar [E]. NOTE: This step is not required for the H515 models. 3. Secure the rear side with the bracket [F] (2 screws). Then connect the harness [G] to the machine. 4. Install the harness cover [H] (1 screw), and replace the connector cover [B] (which was removed in step 1). 5. Load the paper and turn on the machine. Make a test print using the paper feed unit.