Changes
[[Category:Peripherals]] [[Category:Printers and printer ports]]
{{AmstradPrinterLinks}}
<br>
== Buttons ==
=== DMP1 ===
Buttons
None (for Self-test: connect Centronics Port Pin 35/TEST to GND)
LEDs
PowerLED (blinks on error)
=== NLQ1 ===
Buttons
Online Pause/Continue (LF can be used only when Paused)
LF Line Feed (scroll to next line)
PowerOn+LF Self-test (print test page until power-off or paper-out)
PowerOn+LF+Online Enter Hex-dump debug mode (print all codes in hex)
LEDs
PowerLED (red)
Error (red)
Online (green)
=== DMP2xxx/3xxx ===
Buttons
Online Pause/Continue (FF and LF can be used only when Paused)
FF Form Feed (scroll to next page/eject page)
LF Line Feed (scroll to next line)
PowerOn+LF+Online Select NLQ mode
PowerOn+LF Self-test (print test page until power-off or paper-out)
PowerOn+LF+FF Enter Hex-dump debug mode (print all codes in hex) (DMP2xxx/3xxx)
PowerOn+FF Unknown (another test/debug mode or so)
LEDs
Online
Paper Out
Power On
== DIP Switch Settings ==
=== DMP1 ===
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|}
=== NLQ401 ===
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|DS1-1..8||Reserved||colspan=3|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 Bit0Line Feed Spacing||colspan=2 rowspan=|Force ESC "2|0=on:on=France" to act as 1/8 or 1/6 inch<br>1=onNote:off=Germany<br>Service manual claims DS2-2=off:on=United Kingdom<br>3=off:off=USA (default)selects UK/French characters, that is wrong, not supported by firmware|rowspan=2|Can be also changed via software ?ESC "A"
|-
|DS2-3||International characters Bit1||colspan=2|Select US-ASCII or German characters||Can be changed by ESC "6" / ESC "7" (which are NLQ401-specific codes, non-Epson compatible)
|-
|DS2-4||Zero characterDraft/NLQ Mode||colspan=2|Select Draft or NLQ mode<br>Note: Service manual claims it selects Slashed (default)||/UnslashedZero, that is wrong.||Affects chrCan be also changed by ESC "x" (Epson-compatible code), or by ESC "I" (30hequivalent NLQ401-specific, non-Epson compatible code)
|-
|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||Unused |colspan=2|Unused according to service manual, that is wrong. It seems to control something like wrapping to next line when the line is full (defaultor so)|| -?
|-
|DS2-7||CR Function||CR+LF||CR only (default)||Affects chr(0Dh)/ Also affected by /AUTOLF signal
|-
|DS2-8||SLCT IN Exchange||External||Internally fixed (default)||?
|-
|}
=== DMP2xxx/DMP3xxx/DMP4000 ===
{|{{Prettytable|width: 700px; font-size: 2em;}}
|DS2-6||Alarm beeper||Disable||Enable||Affects chr(07h) and/or Paper-Out alarm (?)
|-
|DS2-7||Default typeface||Bold Condensed off||Condensed & bold on||???Can be also changed via SI and DC2
|-
|DS2-8||Default typeface||Condensed Bold off||Bold on||???Can be also changed via ESC "E" and ESC "F"
|-
|DS2-9||Do not use|| || ||
|DS3-7||Stop Bits||1bit||2bit
|-
|DS3-8||Handshake Bit0||colspan=2 rowspan=2|0=Hardware (printer sends RTS(Ready/Busy), <br>1=SérieSoftware (printer sends XON/XOFF), <br> 2=SérieSoftware (computer sends ETX/, printer responds by ACK), <br>3=Reserved)
|-
|DS3-9||Handshake Bit1
|-
|}
=== LQ3500/LQ5000 ===
{|{{Prettytable|width: 700px; font-size: 2em;}}
