Technical Specs
| DMP1 | LQ401 | DMP2000/DMP2160 | DMP3000/DMP3160/DMP3250di | DMP4000 (wide) | LQ3500/LQ3500di | LQ5000di (wide) | LD6000 (laser) | |
| Design | CPC | CPC | CPC | PCW (gray) | PCW (gray) | PC/PCW (gray) | PC/PCW (gray) | PC/PCW (gray) |
| Year | 1984 | ? | DMP2000: 1985 DMP2160: ? |
? | ? | ? | ? | ? |
| Maker | Seikosha | Centronics Data Computer Corp. | Amstrad? | Amstrad? | Amstrad? | Amstrad? | Amstrad? | Sharp |
| Distributor | Amstrad | Schneider | Amstrad/Schneider | Amstrad/Schneider | Amstrad/Schneider | Amstrad/Schneider | Amstrad only? | Amstrad GmbH |
| Family | Seikosha | ? | Epson | Epson | Epson | Epson LQ | Epson LQ | HP Laserjet II |
| Pins | Unihammer (7 dot columns) | 9pin | 9pin | 9pin | 9pin | 24pin | 24pin | Laser |
| Processor | uPD8039LC | uPD7811G | uPD7811G | uPD7811G | uPD7811 | uPD78310 | uPD78310 | ? |
| BIOS ROM | 2732 4kbyte EPROM (8DE-1) | 27128 16kbyte EPROM | DMP2000/2160: 27128 16kbyte EPROM | DMP3000: 27256 32kbyte EPROM | 27256 32kbyte EPROM | 64Kbyte+512Kbyte EPROMs | 3x ROM chips | ? |
| Buffer RAM | 2K | ? | 2K (upgradeable to 8K) | 8K | 8K (see leaflet) | 8K (see leaflet) plus 8K (char RAM?) | 8K (see leaflet) total 4x8K (service manal) |
? |
| Number of Control Codes | 9 | ? | circa 92 codes | same as DMP2000/2160, plus one extra code | ? | ? | ? | ? |
| Print System | Impact Dot-Matrix | ? | Impact Dot-Matrix | Impact Dot-Matrix | Wiredot-Matrix | Impact Dot-Matrix | Impact Dot-Matrix | Laser Printer |
| Print direction | Unidirectional (left to right) | ? | ? | ? | Uni- and Bi-directional (selectable) | Uni- and Bi-directional (selectable) | Uni- and Bi-directional (selectable) | ? |
| Print Speed | 50 CPS | ? | DMP2000: 105 CPS max DMP2160:160 CPS |
DMP3000: 105 CPS (normal width) 52 CPS (double width) DMP3160/DMP3250di: 160 CPS |
200 CPS (standard) 50 CPS (NLQ) |
135-160 CPS | 240-288 CPS | ? |
| Printing Characteristics (vertical x horizontal) |
7 x 5 (plus spacing) | ? | 9 x 9 (normal char) 9 x 10 (double width char) 9 x chosen amount (9 pin bit-image) |
9 x 9 (normal char) 9 x 10 (expanded char) 9 x chosen amount (9 pin bit-image) 8 x chosen amount (bit-image) |
9 x 9 (ASCII chars - table 1) 18 x 9 (ASCII chars - table 2) 12 x 11 (special chars - table 3.1 and 3.2) 24 x 11 (special chars - table 4.1 and 4.2) 8 x chosen amount (bit-image graphics) |
? | ? | ? |
| Character Sets | 128 (actually only 96) chars, 7bit ASCII, or international chars via DIP switches | ? | 96 characters ASCII + international character sets | 96 characters ASCII + Italics + international character sets | ASCII-96, Italics-96, NLQ-96, NLQ Italics-96 International character sets-9, Special characters-132 |
? | ? | ? |
| Normal Character Size | ? | ? | ? | 2.1 (width) x 2.55 (height) mm | ? | ? | ? | ? |
| Horizontal Resolution | 60 dpi | ? | 60 dpi (single density) 120 dpi (double density) 240 dpi (faked, printed as 120dpi) 72 (1:1 aspect ratio) 80,90 dpi (for 640/720 pix screenshots) |
60 dpi (single density) 120 dpi (double density) 240 dpi (faked, printed as 120dpi) 72 (1:1 aspect ratio) 80,90 dpi (for 640/720 pix screenshots) |
? | ? | ? | |
| Vertical Resolution | 63 dpi | ? | 72 dpi (one-pass) 216 dpi (three-pass) |
72 dpi (one-pass) 216 dpi (three-pass) |
? | ? | ? | ? |
| Standard (Pica) | 10 CPI | ? | 10 CPI/80 CPL | 10 CPI/80 CPL | 10 CPI/136 CPL | ? | ? | ? |
| Mini (Elite) | - | ? | 12 CPI/96 CPL | 12 CPI/96 CPL | 12 CPI/163 CPL | ? | ? | ? |
| Condensed | - | ? | 17 CPI/137 CPL | ? | 17 CPI/233 CPL | ? | ? | ? |
| Double Width Standard | (?) | ? | 5 CPI/40 CPL | 5 CPI/40 CPL | ? | ? | ? | ? |
| Double Width Mini | - | ? | 6 CPI/48 CPL | 6 CPI/48 CPL | ? | ? | ? | ? |
| Double Width Condensed | - | ? | 8.5 CPI/68 CPL | 8.5 CPI/68 CPL | ? | ? | ? | ? |
| Number of Columns | 80 columns-character mode 480 dot columns-graphics mode |
? | 80 (Standard) 40 (Double) 132 (Condensed) 66 (Double Width Condensed) |
80 (Standard) 40 (Double) 132 (Condensed) 66 (Double Width Condensed) |
136 (standard) 233 (condensed) |
? | ? | ? |
| Line Feed Rates | 6 lines/inch-character mode 9 lines/inch-graphics mode 9 lines/inch-mixed mode |
? | 1/6 inch 1/8 inch 7/72 inch n/216 inch programmable n/72 inch programmable |
1/6 inch 1/8 inch 7/72 inch n/216 inch programmable n/72 inch programmable |
1/6 inch 1/8 inch 7/72 inch n/216 inch programmable n/72 inch programmable |
1/6 inch 1/8 inch n/60 inch programmable n/180 inch programmable |
1/6 inch 1/8 inch 7/72 inch n/60 inch programmable n/180 inch programmable n/216 inch programmable n/72 inch programmable |
? |
| Line Feed Speed | 10 lines/sec (at 6 lines/inch) 15 lines/sec (at 9 lines/inch) |
? | DMP2000: 200 mS(1/6 inch) DMP2160: 160 ms |
DMP3000: 200 mS(1/6 inch) DMP3160/3250di: 160ms, 1.04IPS |
100 mS(1/6 inch), 1.6IPS | 0.83IPS | 0.83IPS | ? |
| Paper Type | 4.5 to 10 inches acceptable (pin to pin 4 to 9.5 inches) | ? | 4.5 to 10 inches fan-fold (tractor feed) 4 to 9.5 inches cut sheet or roll paper (friction feed) |
4.5 to 10 inches fan-fold (tractor feed) 4 to 9.5 inches cut sheet or roll paper (friction feed) |
Tractor feed (fan fold) - 3 to 16.5 inches (75 to 420 mm) Friction feed (cut sheet or roll) - 2 to 15.5 inches (50 to 395 mm) |
10 Inch... | 15 Inch... | DIN-A4 cut sheet |
| Number of Copies | Two including original (Thickness 0.15mm or less) |
? | 2 sheets (including original) 40 gsm pressure-sensitive paper train |
2 sheets (including original) 40 gsm pressure-sensitive paper train |
Original plus two | Original plus one | Original plus two | Original only |
| Interface | Parallel (Centronics compatible) | Parallel (Centronics compatible) | Parallel (Centronics compatible) | DMP3000/3160: Parallel (Centronics compatible) DMP3250di: additional RS232 interface |
Parallel (Centronics compatible) | LQ3500: Parallel (Centronics compatible) LQ3500di: additional RS232 interface |
LQ5000di: Parallel (Centronics compatible) plus RS232 interface | ? |
| Ink Ribbon | Short lifetime... | ? | Cassette (1 million characters per ribbon) | Cassette (1 million characters per ribbon) | ? | ? | ? | Laser Toner... |
| Dimensions | 447 (w) x 315 (d) x 114 (h) | ? | 380 (w) x 250 (d) x 100 (h) mm | 400 (w) x 250 (d) x 100 (h) mm | 24 (w) x 14 (d) x 5 (h) inches (600 x 350 x 120 mm) |
17.5"(W)x16"(D)x4"(H) 440x400x100 mm |
24"(W) x 15"(D) x 5"(H) 615x375x133 mm |
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| Weight | 4.8kg | ? | 4.2kg | 4.2kg | 9.5kg | 5.9kg | 7.5kg | ? |
| Mains Supply | 220-240V AC 50Hz | ? | 220-240V AC 50Hz | 220-240V AC 50Hz | 220-240V AC 50Hz | 220-240V AC 50Hz | 220-240V AC 50Hz | ? |