Amstrad Printers

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Amstrad/Schneider Printer Models

CPC Series

DMP-1 Printer.JPG


Printer NLQ401 printer2.jpg


Dmp2000 1.jpg
  • DMP2000 more info
  • Same hardware as DMP3000, but in CPC-style black case, and without italics


Dmp2160.jpg
  • DMP2160 more info
  • Fast version of DMP2000 (prints 160 CPS, instead of 105 CPS)


PC/PCW Series (gray)

Dmp3000.jpg
  • DMP3000 more info
  • Same hardware as DMP2000, but in PCW-style gray case, and with italics


DMP3160 picture by martín melado.jpg
  • DMP3160 more info
  • Fast version of DMP3000 (prints 160 CPS, instead of 105 CPS)


Amstrad DMP3250 (www.tietokonemuseo.net).jpg
  • DMP3250di more info
  • Dual-interface version of DMP3160 (with centronics and rs232 ports)
  • Like the DMP3160, it prints only 160 CPS (not 250 CPS)


DMP4000.jpg
  • DMP4000 more info
  • Extra big wide printer (paper width 16 inch)


LQ3500.jpg
  • LQ3500 and LQ3500di more info
  • LQ3500di version with dual interface (centronics and rs232)
  • Letter Quality 24pin Dot Matrix Printer


LQ5000di.jpg
  • LQ5000di more info
  • Letter Quality 24pin Dot Matrix Printer, wide carriage (16 inch paper)
  • With dual interface (centronics and rs232)


LD6000 Laser Printer.jpg
  • LD6000 more info
  • Laser Printer (from Amstrad GmbH, for german market only)
  • This is a rebadged Sharp printer that emulates an HP Laserjet II


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 ? 1985 ? ? ? ? ?
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 ? DMP2000:2K (upgradeable)
DMP2160: 2K (see service manual)		 DMP3000:2K (upgradeable) or 8K? (german DMP3000 service manual)
DMP3160/3250di: 8K (see leaflet)		 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		 ?
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 ?

DMP2xxx/3xxx Printer Codes (sorted by number)

Hex Decimal ASCII Type Description
07 7 BEL Misc Beeper (produce beep sound, can be disabled via DIP-switch)
08 8 BS Misc Backspace (move print head left by one character unit, allowing to overwrite characters)
09 9 HT Tab Horizontal tab
0A 10 LF Feed Line Feed (move to next line)
0B 11 VT Tab Vertical Tab
0C 12 FF Feed Form Feed (move to next page)
0D 13 CR Misc Carriage Return
0E 14 SO Text Style Select double width for one line (unlike ESC W 0/1 continous)
0F 15 SI Text Style Select condensed mode
11 17 DC1 Misc Select printer (online?) (FX80: DIP-switch related) (unclear if Amstrad supports or ignores this code)
12 18 DC2 Text Style Cancel condensed mode
13 19 DC3 Misc Deselect printer (offline?) (FX80: DIP-switch related) (unclear if Amstrad supports or ignores this code)
14 20 DC4 Text Style Cancel one line double width mode (unlike ESC W 0/1 continous)
18 24 CAN Misc Cancel text in line (but not control codes)
1B 0E 27 14 ESC SO Text Style Double width for one line (duplicate) (not FX80, better use SO, not ESC SO)
1B 0F 27 15 ESC SI Text Style Select condensed mode (duplicate) (not FX80, better use SI, not ESC SI)
1B 21 n 27 33 n ESC ! n Text Style Master select where n is a combination of:

0 Pica, 1 Elite, 4 Condensed, 8 Emphasized, 16 Double Strike, 32 Double Wide, 64 Italic, 128 Underline. Pica & Elite and Condensed/Emphasized are mutually exclusive.

1B 23 27 35 ESC # Char Code MSB control sequence cancel (=obtain MSB from Centronics Pin 9) (not on LX80)
1B 25 00 00 27 37 0 0 ESC % NUL NUL Charset Select normal character set (ROM) (star lc10 without ending NUL)
1B 25 01 00 27 37 1 0 ESC % SOH NUL Charset Select user defined char set (RAM) (star lc10 without ending NUL)
1B 26 00 .. 27 38 0 .. ESC & NUL .. Charset Define user defined chars (params: first,last char (0..31 each), followed by "attr,d1..d11" per char, attr.bit7=descender flag (0=descend, 1=no descend, usuable only with 8bit printer port), attr.bit6-4=starting pos(0..7, attr.bit3-0=finishing pos i+4..11), d1..d11 are 8-pin columns) (must be enabled via DIP-switch!)
1B 2A 00 n1 n2 .. 27 42 0 n1 n2 .. ESC * NUL n1 n2.. Graphics Select 8pin single density graphics (same as ESC K) (60dpi) (480 pix per 8 inch) (n2:n1 dot columns, each 8pin, bit7=upper pin)
1B 2A 01 n1 n2 .. 27 42 1 n1 n2 .. ESC * SOH n1 n2.. Graphics Select 8pin double density graphics (same as ESC L) (120dpi) (960 pix per 8 inch)
1B 2A 02 n1 n2 .. 27 42 2 n1 n2 .. ESC * STX n1 n2.. Graphics Select 8pin double d.speed graphics (same as ESC Y) (120dpi source data being output at 60dpi) (960 pix per 8 inch)
1B 2A 03 n1 n2 .. 27 42 3 n1 n2 .. ESC * ETX n1 n2.. Graphics Select 8pin quad density graphics (same as ESC Z) (240dpi source data being output at 120dpi) (1920 pix per 8 inch)
1B 2A 04 n1 n2 .. 27 42 4 n1 n2 .. ESC * EOT n1 n2.. Graphics Select 8pin 640-pix CRT graphics (80dpi) (640 pix per 8 inch) (for CPC/EGA/VGA screenshots)
1B 2A 05 n1 n2 .. 27 42 5 n1 n2 .. ESC * ENQ n1 n2.. Graphics Select 8pin 576-pix plotter graphics(72dpi) (576 pix per 8 inch) (for 1:1 pixel aspect ratio)
1B 2A 06 n1 n2 .. 27 42 6 n1 n2 .. ESC * ACK n1 n2.. Graphics Select 8pin 720-pix CRT graphics (90dpi) (720 pix per 8 inch) (for Hercules screenshots)
1B 2D 30 27 45 48 ESC - 0 Text Style Cancel underlining
1B 2D 31 27 45 49 ESC - 1 Text Style Select underlining
1B 2F c 27 47 c ESC / c Tab Select vertical tab channel (c=0..7)
1B 30 27 48 ESC 0 Feed Select 9/72 inch aka 1/8 inch line spacing
1B 31 27 49 ESC 1 Feed Select 7/72 inch line spacing
1B 32 27 50 ESC 2 Feed Select 12/72 inch aka 1/6 inch line spacing
1B 33 n 27 51 n ESC 3 n Feed Select n/216 inch line spacing (n=0..255)
1B 34 27 52 ESC 4 Text Style Select italic mode (italics can be also used by setting bit7 of the character number)
1B 35 27 53 ESC 5 Text Style Cancel italic mode
1B 36 27 54 ESC 6 Char Code Enable printing of characters (128-159,255) (Italics?)
1B 37 27 55 ESC 7 Char Code Cancel [ESC 6] command
1B 38 27 56 ESC 8 Misc Disable paper out sensor
1B 39 27 57 ESC 9 Misc Enable paper out sensor
1B 3A 00 00 00 27 58 0 0 0 ESC : NUL NUL NUL Charset Copy charset ROM into RAM (the three NULs are "for future expansion")
1B 3C 27 60 ESC < Misc Select unidirectional mode for one line (Move head home/parking)
1B 3D 27 61 ESC = Char Code MSB = 0 (not on LX80)
1B 3E 27 62 ESC > Char Code MSB = 1 (not on LX80)
1B 3F s n 27 63 s n ESC ? s n Graphics Reassign graphics mode 's'=(K,L,Y or Z) to mode 'n'=(0..6) (default is ESC K=0, L=1, Y=2, Z=3) (these defaults can be reassinged here, eg. ESC K=6)
1B 40 27 64 ESC @ Misc Initialize printer (Reset)
1B 41 n 27 65 n ESC A n Feed Select n/72 inch line spacing (n=0..85)
1B 42 00 27 66 0 ESC B NUL Tab Clear Vertical tabs
1B 42 tabs 00 27 66 tabs 0 ESC B tabs NUL Tab Select up to 16 vertical tabs where tabs are ascending values from 1..255 ending with NUL
1B 43 00 n 27 67 0 n ESC C NUL n Feed Select page length in inches (n=1..22)
1B 43 n 27 67 n ESC C n Feed Select page length in lines (n=1..127)
1B 44 00 27 68 0 ESC D NUL Tab Clears all horizontal tables
1B 44 tabs 00 27 68 tabs 0 ESC D tabs NUL Tab Sets up to 32 horizontal tabs with ascending values 1-137. NUL or a value less than previous tab ends command.
1B 45 27 69 ESC E Text Style Select emphasized (bold) mode
1B 46 27 70 ESC F Text Style Cancel emphasized (bold) mode
1B 47 27 71 ESC G Text Style Select double strike mode (also an bold-alike effect)
1B 48 27 72 ESC H Text Style Cancel double strike mode (also an bold-alike effect)
1B 49 30 27 73 48 ESC I 0 Char Code Disable Printable codes expansion (0-31,128-159) (not on LX80)
1B 49 31 27 73 49 ESC I 1 Char Code Enable Printable codes expansion (0-31,128-159) (presumably excluding 27?) (not on LX80)
1B 4A n 27 74 n ESC J n Feed Perform One-shot n/216 inch line feed (n=0..255)
1B 4B n1 n2 .. 27 75 n1 n2 .. ESC K n1 n2 .. Graphics Single 8pin density graphics (60 dpi) (n2:n1 = num bytes following) (480 dots/line)
1B 4C n1 n2 .. 27 76 n1 n2 .. ESC L n1 n2 .. Graphics Double 8pin density graphics (120 dpi) (960 dots/line)
1B 4D 27 77 ESC M Text Style Select elite width (12 cpi) (mini font)
1B 4E n 27 78 n ESC N n Feed Select skip over perforation (n=1..127 lines)
1B 4F 27 79 ESC O Feed Cancel skip over perforation
1B 50 27 80 ESC P Text Style Cancel elite / Select pica width (10 cpi)
1B 51 n 27 81 n ESC Q n Misc Set right margin (n=1..255 character columns) (this is WIDTH, counted from left margin)
1B 52 n 27 82 n ESC R n Charset Select International character set where numeric 'n' is:

0 USA, 1 France, 2 Germany, 3 United Kingdom, 4 Denmark, 5 Sweden, 6 Italy, 7 Spain, 8 Japan, 9 Norway, 10 Denmark II, 11 Spain II, 12 Latin America. DMP2000/3160 do support 0..8, including Japan (according to user manuals). The default setting is DIP-switch selectable.

1B 53 30 27 83 48 ESC S 0 Text Style Select superscript
1B 53 31 27 83 49 ESC S 1 Text Style Select subscript
1B 54 27 84 ESC T Text Style Cancel superscript/subscript
1B 55 30 27 85 48 ESC U 0 Misc Cancel unidirectional mode (faster, use bidirectional printing)
1B 55 31 27 85 49 ESC U 1 Misc Select unidirectional mode (slower, left-to-right, more accurate on vertical lines)
1B 57 30 27 87 48 ESC W 0 Text Style Cancel double width mode (continous) (unlike DC4: one line)
1B 57 31 27 87 49 ESC W 1 Text Style Select double width mode (continous) (unlike SO: one line)
1B 59 n1 n2 .. 27 89 n1 n2 ESC Y n1 n2 Graphics Select 8pin Hi-speed double den graphics (120 dpi)
1B 5A n1 n2 .. 27 90 n1 n2 ESC Z n1 n2 Graphics Select 8pin Quad density graphics (240 dpi) (1920 dots/8"line)
1B 5E d n1 n2.. 27 94 d n1 n2 ESC ^ d n1 n2 Graphics Select 9 pin graphics mode number of columns = n1 + (n2 * 256) (d=density, 0=single, 1=double) (specs doesn't say if 2..6 do work too) (each column is a 2-byte pair: byte1.bit7..bit0=upper..lower, byte2.bit7=lowest, byte2.bit6..bit0=unused)
1B 62 c 00 27 98 c 0 ESC b c NUL Tab Clear vertical tabs in channel (c=0..7)
1B 62 c tabs 00 27 98 c tabs 0 ESC b c tabs NUL Tab Select up to 16 vertical tabs in channels (c=0..7) where tabs are ascending values from 1..255 ending with NUL
1B 69 00 27 105 48 ESC i 0 Misc Cancel instant character printing (default, ie. print on CRLF etc.) (not on LX80)
1B 69 01 27 105 49 ESC i 1 Misc Select instant character printing (printer each char immediately) (also scrolls printed text into view; when buffer empty) (not on LX80)
1B 6A n 27 106 n ESC j n Feed Perform One-shot reverse linefeed (n/216 inch after buffer) (not on LX80)
1B 6C n 27 108 n ESC l n Misc Set left margin (n=0..255 character columns)
1B 6D n 27 109 n ESC m n Charset DMP3000/3160 only: Select charset (0=Epson, 1=IMB#1, 2=IBM#2) (Amstrad specific: not supported by Epson printers nor Epson clones nor DMP2000/2160)
1B 70 30 27 112 48 ESC p 0 Text Style Cancel proportional mode (not on LX80 ?)
1B 70 31 27 112 49 ESC p 1 Text Style Select proportional mode (not on LX80 ?)
1B 73 30 27 115 48 ESC s 0 Misc Turn half speed mode off
1B 73 31 27 115 49 ESC s 1 Misc Turn half speed mode on (purpose: noise-reduced silent printing)
1B 78 30 27 120 48 ESC x 0 Text Style Select draft mode (LX80) (FX86e) (not FX80)
1B 78 31 27 120 49 ESC x 1 Text Style Select NLQ mode (LX80) (FX86e) (not FX80)
7F 127 DEL Misc Delete last character from buffer (but not control codes) (works only when buffer isn't yet printer; printing usually starts on terminating lines via CRLF)
  • Character codes 00h-FFh...
    • Codes 00h..1Fh and 7Fh contain control codes, but at least some of them can be also used as print-able characters; at least when enabled via ESC "I1" (according DMP2000 manual chap6/page7 example: chr(6) is a print-able (user defined) character. others like chr(27) are obviously not printable)
    • Codes 20h..7Eh are ASCII characters (some changed in "international" modes)
    • Codes 80h..9Fh and FFh act as mirror of control codes 00h..1Fh and 7Fh (this mirroring can be disabled via ESC "6")
    • Codes A0h..FEh are italic versions of 20h..7Eh
  • The DMP2000 (and up) supports all Epson FX80 control codes, plus some additional ones:
    • ESC SO and ESC SI (mirrors of SO and SI) (for some reason, these mirrors are often supported by Epson-clones like Star LC10, though they are rarely found in official Epson specs)
    • ESC "x" n (select NLQ/Draft mode) (the original Epson FX80 didn't support NLQ, however, the ESC x command is found in other Epson models like LX80 and FX86e)
    • ESC "m" n (select IBM charset) (this seems the be an Amstrad invention, supported only by DMP3000/3160, not supported by DMP2000/2160, nor by real Epson printers, nor by Epson-clones like Star LC10).
  • Some one-digit parameters (like on/off flags) may be recognized both is binary chr(0xh) as well as ASCII chr(3xh).

International Characters

23h 24h 40h 5Bh 5Ch 5Dh 5Eh 60h 7Bh 7Ch 7Dh 7Eh
0 - USA # $ @ [ \ ] ^ ` { | } ~
1 - France # $ à ° ç § ^ ` é ù è ¨
2 - Germany # $ § Ä Ö Ü ^ ` ä ö ü ß
3 - UK £ $ @ [ \ ] ^ ` { | } ~
4 - Denmark # $ @ Æ Ø Å ^ ` æ ø å ~
5 - Sweden # ¤ É Ä Ö Å Ü é ä ö å ü
6 - Italy # $ @ ° \ é ^ ù à ò è ì
7 - Spain Pt $ @ ¡ Ñ ¿ ^ ` ¨ ñ } ~

DMP1: Italy chr(60h) is "`". DMP2XXX/3XXX: Italy chr(60h) is "ù". All other chars are same for all DMP versions.

DIP Switch Settings

DMP1 DIP Switches
Function Off = High = 1 On = Low = 0 Software
DS1-1 International characters Bit0

7=off:off:off=USA (default)
6=off:off:on=France
5=off:on:off=Germany
4=off:on:on=Italy
3=on:off:off=United Kingdom
2=on:off:on=Denmark
1=on:on:off=Sweden
0=on:on:on=Spain

Cannot be changed by software
DS1-2 International characters Bit1
DS1-3 International characters Bit2
DS1-4 CR Function CR only (default) CR & LF Affects chr(0Dh)


NLQ401 DIP Switches
Function Off = High = 1 On = Low = 0 Software
DS1-1..8 Reserved DS1 is not installed, DS1-1..7 floating (without pull-up), DS1-8 hardwired to GND (On)
DS2-1 Page length 11 inch (default) 12 inch Can be also changed via ESC "C" (at least on Epsons, no idea if on NLQ401, too?)
DS2-2 International characters Bit0

0=on:on=France
1=on:off=Germany
2=off:on=United Kingdom
3=off:off=USA (default)

Can be also changed via software ?
DS2-3 International characters Bit1
DS2-4 Zero character Slashed (default) Unslashed Affects chr(30h)
DS2-5 1 inch skip perforation Invalid/Disable (default) Valid/Enable Can be also changed via ESC "N"/ESC "O" (at least on Epsons, no idea if on NLQ401, too?)
DS2-6 Not used - - (default=on) -
DS2-7 CR Function CR+LF CR only (default) Affects chr(0Dh)
DS2-8 SLCT IN Exchange External Internally fixed (default) ?
DMP2000/DMP2160/DMP3000/DMP3160/DMP4000 DIP Switches
Function Off = High = 1 On = Low = 0 Software
DS1-1 International characters Bit0

0=USA, 1=France, 2=Germany, 3=United Kingdom, 4=Denmark, 5=Sweden, 6=Italy, 7=Spain

Can be also changed via ESC "R"
DS1-2 International characters Bit1
DS1-3 International characters Bit2
DS1-4 CR Function CR only (default) CR & LF Affects chr(0Dh)
DS1-5 Paper out sensor Enable Disable Can be also changed via ESC "8"/ESC "9"
DS1-6 Page length 11 inch 12 inch Can be also changed via ESC "C"
DS1-7 DMP2xxx Code Unit 8 units (MSB=CentronicsPin9) On=7 units (MSB=0) "set this for Apple computers" Can be also changed via ESC "#"/ESC "="/ESC ">"
DS1-8 DMP2xxx Default Character Set Epson Standard Epson NLQ Can be also changed via ESC "x"
DS1-7 DMP3xxx,DMP4000 Default Character Set Bit0 Charset (3=Epson Standard, 2=Epson NLQ, 1=IBM #1, 0=IBM #3) Can be also changed via ESC "x" and ESC "m"
DS1-8 DMP3xxx,DMP4000 Default Character Set Bit1
DS2-1 Zero character Unslashed Slashed Affects chr(30h)
DS2-2 Default skip perforation Disable Enable Can be also changed via ESC "N"/ESC "O"
DS2-3 Buffer mode Character Graphics ?
DS2-4 Buffer mode Character/Graphics (use DS2-3 setting) Download (=UserDefCharset) Must be On for ESC "&"
DS2-5 SLCT IN signal Not sent Automatically sent ?
DS2-6 Alarm beeper Disable Enable Affects chr(07h) and/or Paper-Out alarm (?)
DS2-7 Default typeface Bold off Condensed & bold on ???
DS2-8 Default typeface Condensed off Bold on ???
DS2-9 Do not use
DS2-10 Do not use
DMP3250di Extra RS232 DIP-switches
DS3-1 Baudrate Bit0 0=9600, 1=4800, 2=2400, 3=1200, 4=600, 5=300, 6=200, 7=150 bps
DS3-2 Baudrate Bit1
DS3-3 Baudrate Bit2
DS3-4 Parity On/Off Enable Disable
DS3-5 Parity Even/Odd Odd Even
DS3-6 Data Bits 7bit 8bit
DS3-7 Stop Bits 1bit 2bit
DS3-8 Handshake Bit0 0=RTS(Ready/Busy), 1=Série(XON/XOFF), 2=Série(ETX/ACK), 3=Reserved)
DS3-9 Handshake Bit1
DS3-10 Interface Centronics/Parallel Serial/RS2322
LQ3500/LQ5000 DIP Switches
Function Off = High = 1 On = Low = 0 Software
DS1-1 International characters Bit0

0=USA, 1=France, 2=Germany, 3=United Kingdom, 4=Denmark, 5=Sweden, 6=Italy, 7=Spain

Can be also changed via ESC "R"
DS1-2 International characters Bit1
DS1-3 International characters Bit2
DS1-4 Page length 11 inch 12 inch Can be also changed via ESC "C"
DS1-5 Skip perforation Disable Enable Can be also changed via ESC "N"/ESC "O"
DS1-6 Alarm beeper Disable Enable Affects chr(07h) and/or Paper-Out alarm (?)
DS1-7 Default Character Set Standard/Draft LQ Letter Quality Can be also changed via ESC "x"
DS1-8 SLCT IN signal Not sent Automatically sent ?
DS2-1 Paper out sensor Enable? Disable? Can be also changed via ESC "8"/ESC "9"
DS2-2 CR Function CR only (default) CR & LF Affects chr(0Dh)
DS2-3 Zero character Unslashed Slashed Affects chr(30h)
DS2-4 Reserved - - -
DS2-5 Character Set Epson IBM#2 ...
DS2-6 Unused - - -
DS2-7 Auto loading Enable Disable ...
DS2-8 Reserved - - -
LQ3500di/LQ5000di Extra RS232 DIP-switches
DS3-1 Baudrate Bit0 0=9600, 1=4800, 2=2400, 3=1200, 4=600, 5=300, 6=200, 7=150 bps

default = 9600 = all off

DS3-2 Baudrate Bit1
DS3-3 Baudrate Bit2
DS3-4 Parity Even/Odd Odd Even
DS3-5 Parity On/Off Disable Enable
DS3-6 Data Bits 8bit 7bit
DS3-7 Handshake Bit0 3=off:off=Parallel/Centronics
2=on:off=Serial/XonOff
1=off:on=Serial RTS read/busy
0=on:on=Serial Etx/Ack
DS3-8 Handshake Bit1

User Manuals

Service Manuals

Datasheets

Leaflets

ROM Images

Please dump the printer BIOS ROMs! Contained character sets & machine code may become useful for emulation & necrophile research...
If you do, please also take a photo of the printer PCB.

  • DMP1 ROM Image (none yet dumped)
  • NLQ401 ROM Image (this only the 16K EPROM image, not including the additional 4K ROM which is located inside of the CPU)
  • DMP2000 ROM Image (zipped rom file) (dumped from a spanish printer, but should be same for all countries) (this too, only the 16K EPROM, not including the additional 4K ROM which is located inside of the CPU)
  • DMP2160 ROM Image (none yet dumped)
  • DMP3000 ROM Image (none yet dumped)
  • DMP3160 ROM Image (none yet dumped)
  • DMP3250di ROM Image (none yet dumped)
  • DMP4000 ROM Image (none yet dumped)
  • LQ3500 ROM Image (none yet dumped)
  • LQ3500di ROM Image (none yet dumped)
  • LQ5000di ROM Image (none yet dumped)
  • LD6000 ROM Image (none yet dumped)

Weblinks

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