|Buffer RAM||2K||only 256 bytes (in uPD7811)||2K ([[DMP2000 Buffer Upgrade Kit|upgradeable to 8K]])||8K (according to service manuals)<br>2K (according to [[:File:DMP3160SP PCB Top.jpg|photo]])||8K (see leaflet)||8K (see leaflet) plus 8K (char RAM?)||8K (see leaflet)<br>total 4x8K (service manual)||?
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|Number of Control Codes||9 codes||42 codes||73 72 codes||74 73 codes (same as DMP2000/2160, plus one extra code)||?||?||?||?
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|Print System||Impact Dot-Matrix||?||Impact Dot-Matrix||Impact Dot-Matrix||Wiredot-Matrix||Impact Dot-Matrix||Impact Dot-Matrix||Laser Printer