Amstrad Printers

Amstrad/Schneider Printer Models

CPC Series

DMP-1 (Seikosha GP500) more info

NLQ401 (GLP500) more info

DMP2000 more info
Same hardware as DMP3000, but in CPC-style black case, and without italics

DMP2160 more info
Fast version of DMP2000 (prints 160 CPS, instead of 105 CPS)

PC/PCW Series (gray)

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

DMP3160 more info
Fast version of DMP3000 (prints 160 CPS, instead of 105 CPS)

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 more info
Extra big wide printer (paper width 16 inch)

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

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

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?	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	?	?	?	?
Dot Spacing	1/60" (H) x 1/63" (V)	?	?	?	?	?	?	?
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	?

Printer Codes

Hex	Decimal	ASCII	Description
07	7	BEL	Beeper (produce beep sound, can be disabled via DIP-switch)
08	8	BS	Backspace (move print head left by one character unit, allowing to overwrite characters)
09	9	HT	Horizontal tab
0A	10	LF	Line Feed (move to next line)
0B	11	VT	Vertical Tab
0C	12	FF	Form Feed (move to next page)
0D	13	CR	Carriage Return
0E	14	SO	Select double width for one line (unlike ESC W 0/1 continous)
0F	15	SI	Select condensed mode
11	17	DC1	Select printer (online?) (FX80: DIP-switch related)
12	18	DC2	Cancel condensed mode
13	19	DC3	Deselect printer (offline?) (FX80: DIP-switch related)
14	20	DC4	Cancel one line double width mode (unlike ESC W 0/1 continous)
18	24	CAN	Cancel text in line (but not control codes)
1B 0E	27 14	ESC SO	Double width for one line (duplicate) (not FX80, better use SO, not ESC SO)
1B 0F	27 15	ESC SI	Select condensed mode (duplicate) (not FX80, better use SI, not ESC SI)
1B 21 n	27 33 n	ESC ! n	Master select where n is a combination of: XXX
1B 23	27 35	ESC #	MSB control sequence cancel (=obtain MSB from Centronics Pin 9) (not on FX80)
1B 25 00 00	27 37 0 0	ESC % NUL NUL	Select normal character set (ROM) (star lc10 without ending NUL)
1B 25 01 00	27 37 1 0	ESC % SOH NUL	Select user defined char set (RAM) (star lc10 without ending NUL)
1B 26 00 ..	27 38 0 ..	ESC & NUL ..	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)
1B 2A 00 n1 n2 ..	27 42 0 n1 n2..	ESC * NUL n1 n2..	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..	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..	Select 8pin double d.speed graphics (same as ESC Y) (120dpi source data being output at 60dpi)
1B 2A 03 n1 n2 ..	27 42 3 n1 n2..	ESC * ETX n1 n2..	Select 8pin quad density graphics (same as ESC Z) (240dpi) (1920 pix per 8 inch)
1B 2A 04 n1 n2 ..	27 42 4 n1 n2..	ESC * EOT n1 n2..	Select 8pin 640-pix CRT graphics (80dpi) (640 pix per 8 inch)
1B 2A 05 n1 n2 ..	27 42 5 n1 n2..	ESC * ENQ n1 n2..	Select 8pin 576-pix plotter graphics(72dpi) (576 pix per 8 inch)
1B 2A 06 n1 n2 ..	27 42 6 n1 n2..	ESC * ACK n1 n2..	Select 8pin 720-pix CRT graphics (90dpi) (720 pix per 8 inch)
1B 2D 30	27 45 48	ESC - 0	Cancel underlining
1B 2D 31	27 45 49	ESC - 1	Select underlining
1B 2F c	27 47 c	ESC / c	Select vertical tab channel (c=0..7)
1B 30	27 48	ESC 0	Select 9/72 inch aka 1/8 inch line spacing
1B 31	27 49	ESC 1	Select 7/72 inch line spacing
1B 32	27 50	ESC 2	Select 12/72 inch aka 1/6 inch line spacing
1B 33 n	27 51 n	ESC 3 n	Select n/216 inch line spacing (n=0..255)
1B 34	27 52	ESC 4	Select italic mode (italics can be also used by setting bit7 of the character number)
1B 35	27 53	ESC 5	Cancel italic mode
1B 36	27 54	ESC 6	Enable printing of characters (128-159,255) (Italics?)
1B 37	27 55	ESC 7	Cancel [ESC 6] command
1B 38	27 56	ESC 8	Disable paper out sensor
1B 39	27 57	ESC 9	Enable paper out sensor
1B 3A 00 00 00	27 58 0 0 0	ESC : NUL NUL NUL	Copy charset ROM into RAM (the three NULs are "for future expansion")
1B 3C	27 60	ESC <	Select unidirectional mode for one line (Move head home/parking)
1B 3D	27 61	ESC =	MSB = 0 (not on LX80)
1B 3E	27 62	ESC >	MSB = 1 (not on LX80)
1B 3F s n	27 63 s n	ESC ? s n	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 @	Initialize printer (Reset)
1B 41 n	27 65 n	ESC A n	Select n/72 inch line spacing (n=0..85)
1B 42 00	27 66 0	ESC B NUL	Clear Vertical tabs
1B 42 tabs 00	27 66 tabs 0	ESC B tabs NUL	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	Select page length in inches (n=1..22)
1B 43 n	27 67 n	ESC C n	Select page length in lines (n=1..127)
1B 44 00	27 68 0	ESC D NUL	Clears all horizontal tables
1B 44 tabs 00	27 68 tabs 0	ESC D tabs NUL	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	Select emphasized (bold) mode
1B 46	27 70	ESC F	Cancel emphasized (bold) mode
1B 47	27 71	ESC G	Select double strike mode (also an bold-alike effect)
1B 48	27 72	ESC H	Cancel double strike mode (also an bold-alike effect)
1B 49 30	27 73 48	ESC I 0	Disable Printable codes expansion (0-31,128-159) (not on LX80)
1B 49 31	27 73 49	ESC I 1	Enable Printable codes expansion (0-31,128-159) (presumably excluding 27?) (not on LX80)
1B 4A n	27 74 n	ESC J n	Perform One-shot n/216 inch line feed (n=0..255)
1B 4B n1 n2 ..	27 75 n1 n2 ..	ESC K n1 n2 ..	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 ..	Double 8pin density graphics (120 dpi) (960 dots/line)
1B 4D	27 77	ESC M	Select elite width (12 cpi) (mini font)
1B 4E n	27 78 n	ESC N n	Select skip over perforation (n=1..127 lines)
1B 4F	27 79	ESC O	Cancel skip over perforation
1B 50	27 80	ESC P	Cancel elite / Select pica width (10 cpi)
1B 51 n	27 81 n	ESC Q n	Set right margin (n=1..255 character columns) (this is WIDTH, counted from left margin)
1B 52 n	27 82 n	ESC R n	Select International character set where numeric 'n' is: XXX
1B 53 30	27 83 48	ESC S 0	Select superscript
1B 53 31	27 83 49	ESC S 1	Select subscript
1B 54	27 84	ESC T	Cancel superscript/subscript
1B 55 30	27 85 48	ESC U 0	Cancel unidirectional mode (faster, use bidirectional printing)
1B 55 31	27 85 49	ESC U 1	Select unidirectional mode (slower, left-to-right, more accurate on vertical lines)
1B 57 30	27 87 48	ESC W 0	Cancel double width mode (continous) (unlike DC4: one line)
1B 57 31	27 87 49	ESC W 1	Select double width mode (continous) (unlike SO: one line)
1B 59 n1 n2 ..	27 89 n1 n2	ESC Y n1 n2	Select 8pin Hi-speed double den graphics (120 dpi)
1B 5A n1 n2 ..	27 90 n1 n2	ESC Z n1 n2	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	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	Clear vertical tabs in channel (c=0..7)
1B 62 c tabs 00	27 98 c tabs 0	ESC b c tabs NUL	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	Cancel instant character printing (default, ie. print on CRLF etc.) (not on LX80)
1B 69 01	27 105 49	ESC i 1	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	Perform One-shot reverse linefeed (n/216 inch after buffer) (not on LX80)
1B 6C n	27 108 n	ESC l n	Set left margin (n=0..255 character columns)
1B 70 30	27 112 48	ESC p 0	Cancel proportional mode (not on LX80 ?)
1B 70 31	27 112 49	ESC p 1	Select proportional mode (not on LX80 ?)
1B 73 30	27 115 48	ESC s 0	Turn half speed mode off
1B 73 31	27 115 49	ESC s 1	Turn half speed mode on (purpose: noise-reduced silent printing)
1B 78 30	27 120 48	ESC x 0	Select draft mode (LX80) (FX86e) (not FX80)
1B 78 31	27 120 49	ESC x 1	Select NLQ mode (LX80) (FX86e) (not FX80)
7F	127	DEL	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)

Amstrad DMP3000/3160 specific - NOT supported on DMP2000/2160, nor on real Epson printers, nor on Epson-compatibles like Star LC10 DMP2000 DMP3160 FX80 Hex Decimal ASCII |Description - yy!! - 1B 6D n 27 109 n ESC m n |Select charset (0=Epson, 1=IMB#1, 2=IBM#2) <--- Amstrad specific (LX80: 0=graphics set off, 4=graphics set on) (Star LC10: not supported, uses "ESC t 0/1" for similar purpose)

International Characters

23h

24h

40h

5Bh

5Ch

5Dh

5Eh

60h

7Bh

7Ch

7Dh

7Eh

0 - USA

[

]

{

}

1 - France

par

2 - Germany

par

3 - UK

[

]

{

}

4 - Denmark

5 - Sweden

6 - Italy

7 - Spain

}

DIP Switch Settings

DMP2000/DMP2160/DMP3000/DMP3160/DMP4000:

	Function	Off = High = 1	On = Low = 0
DS1-1	International characters Bit0	0=USA, 1=France, 2=Germany, 3=United Kingdom, 4=Denmark, 5=Sweden, 6=Italy, 7=Spain
DS1-2	International characters Bit1
DS1-3	International characters Bit2
DS1-4	CR Function	CR only	CR & LF
DS1-5	Paper out sensor	Enable	Disable
DS1-6	Page length	11 inch	17 inch (or rather 12 inch?)
DS1-7	Default Character Set Bit0	DMP2000/DMP2160: DS1-7=Code Unit (Off=8 units, On=7 units "set this for Apple computers", DS1-8=Charset (Off=Epson Standard, On=Epson NLQ) DMP3160: Charset (3=Epson Standard, 2=Epson NLQ, 1=IBM #1, 0=IBM #3)
DS1-8	Default Character Set Bit1
DS2-1	Zero character	Unslashed	Slashed
DS2-2	Default skip perforation	Disable	Enable
DS2-3	Buffer mode	Character	Graphics
DS2-4	Buffer mode	Character/Graphics (use DS2-3 setting)	Download (=UserDefCharset)
DS2-5	SLCT IN signal	Not sent	Automatically sent
DS2-6	Alarm beeper	Disable	Enable
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

	Function	Off (0)	On (1)
DS3-1	Baudrate Bit0	0=150, 1=200, 2=300, 3=600, 4=1200, 5=2400, 6=4800, 7=9600 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

User Manuals

DMP1 User Manual (english) (8407-61B)
NLQ401 User Manual (probably exists in german only) - Nilquader has one (will be scanned next some weeks when he gets access to a good scanner)
DMP2000 User Manual (English) (1985)
DMP2000 User Manual (French) (1985)
DMP2000 User Manual (Spanish)
DMP2160 User Manual (English) - ynot.zer0 has one (will be scanned on a rainy weekend)
DMP2160 User Manual (French) (1985)
DMP2160 User Manual (German)
DMP3000/3160 User Manual (English) - Terje has a "Amstrad DMP3000/3160 User Manual (English) 100 pages" (not yet scanned)
DMP3000/3160/3250di User Manual (French) (DMP3000/3160 manual from 1986) (plus brief 3250di info in preface)
DMP3000 User Manual (Spanish)
DMP3160 User Manual (German)
DMP3250di User Manual (English) - (none scanned yet)
DMP4000 User Manual (English) - (none scanned yet)
LQ3500(di) User Manual (English) - (none scanned yet)
LQ5000di User Manual (English) - (none scanned yet)
LD6000 User Manual (exists in german only) - (none scanned yet)

Service Manuals

DMP1 Service Manual (English) (none yet scanned)
NLQ401 Service Manual (German) (parts are both English & German) (HDS 2000/7/85)
DMP2000/DMP3000/DMP4000 Service Manual (English) (contains incomplete info: according to german manual, the DMP3000 should have more ROM/RAM)
DMP2000 Service Manual (German) (parts are both English & German) (HDS 2000/28/86)
DMP2160 Service Manual (German) (1100K hires scan) (parts are both English & German) (40839 HDS 64004/4000/18/88)
DMP2160 Service Manual (German) (520K lowres scan) (parts are both English & German) (40839 HDS 64004/4000/18/88)
DMP3000 Service Manual (German) (parts are both English & German) (HDS 60259/1500/04/87)
DMP3160 Service Manual (English) (none yet scanned)
DMP3250di Service Manual (English) (none yet scanned)
DMP4000 Service Manual (German) (parts are both English & German) (HDS 60964/2500/16/87)
LQ3500 Service Manual (English)
LQ3500 Service Manual (German) (parts are both English & German) (HDS 64005/4000/19/88)
LQ3500di Service Manual (English) (none yet scanned)
LQ5000di Service Manual (English)
LD6000 Service Manual (English) (none yet scanned)

Datasheets

uPD8039HLC Datasheet (HLC apparently means a High-speed/HMOS version, aside from that it's probably compatible with the LC version used in DMP1)
uPD7811G Datasheet (8bit CPU with 4096 byte ROM, 256 byte RAM, 44 I/O lines)
uPD78310A Datasheet

Leaflets

LQ3500di and LQ5000di Leaflet (English) (May 1988)
DMP4000 and DMP3250di Leaflet (English) (April 1988)
DMP3160/DMP3250di/DMP4000/LQ3500/LQ3500di/LQ5000di AMSTPRINT Leaflet (Norwegian)

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 (none yet dumped)
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

http://web.ukonline.co.uk/cliff.lawson/printers.htm - semi-official support for Amstrad printers
http://www.epson.com/cgi-bin/Store/support/SupportIndex.jsp?BV_UseBVCookie=yes&oid=-10236&infoType=Overview - Epson - support for old Impact-Printers