On Sat, 12 Apr 2014, Rhialto wrote: I have a 8023P printer. It says "commodore tractor printer 8023P" on the front and back labels". It is actually a Brother 82W mechanism. I have the service manual which I got from www.agtannenbaum.com. > To ease my life, I pulled another printer from the shelves, a MPP-1361. > That is a 132-column, IEEE-488 printer. Since I heard something loose > inside, I opened it up before applying power. > > The board inside was mounted vertically in the rear, but otherwise > seemed quite similar to the MPS-802: the big chips were (nearly) the > same, in the same arrangement! From left to right there were also a ROM, > 6502, VIA, RIOT, RIOT. Maybe the supporting stuff around it differed > a bit but I didn't have them open at the same time for a detailed > comparison. > > When I turned it on, it worked (mostly). Often it gets stuck when > moving horizontally. The bar probably needs cleaning. Wipe it off with a soft cloth and lubricate with turbine oil #90 (NISEKI FBK-32) > When turning it on with the left button pressed ("form top"), it > > printed > <wide> *** CBM *** :</wide> COMMODORE 8023P MODEL PRINTER : ROM P/N > #325320-02 > > The ribbon wasn't as dried as one might expect after being years on the > shelf... > > The test pattern had the pound sign instead of a backslash though... > strange for a PET printer. > > I haven't gotten it to print from a PET though. If I turn the printer > off, a PRINT# properly reports ?DEVICE NOT PRESENT, but when it is on it > just pretends it works but nothing prints. You must use the secondary address when opening the file. Secondary address 0 means print exactly as received. 4 enable diagnostic messages. 9 disable diagnostic messages. 10 reset printer. wlevak@sdf.lonestar.org SDF Public Access UNIX System - http://sdf.lonestar.org Message was sent through the cbm-hackers mailing listReceived on 2014-04-15 21:01:31
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