Psion Printer 2 Web Emulator

For text printing no COMMS Link software extensions or stubs are needed. The COMMS link directs LPRINT commands to the serial interface link.

Check the baud rate settings are set to the default values (9600,N,8,1,XON,NONE)

If you have a Bluetooth COMMS link, use the same serial settings and connect the emulated printer to the Bluetooth serial channel.

If graphics print support is needed, use the helper stub routine below to allow the emulator to handle graphics printing (since the physical Printer II hardware's internal GPRINT: routine is not available).

The GPRINT: routine is small and can be located on your internal A: storage location.

GPRINT: (Graphics Print Stub)

GPRINT:(w%, addr%)
  REM GPRINT stub code
  REM By NFfP Rev 1.2
  LOCAL i%
  LPRINT CHR$(27);CHR$(71);
  LPRINT CHR$(w%/256);CHR$(w% AND 255);
  i%=0
  WHILE i%<w%
    LPRINT CHR$(PEEKB(addr%+i%));
    i%=i%+1
  ENDWH

Thermal Print Roll

Offline

Focus Mode

PRINTER 2

Serial Interface (9600 Baud)

Serial Connected

Rx Active

Buffer Active

Ignore XON/XOFF flow control (ASCII 17/19)

Emulator Operations

Active Printer Settings

Baud Rate	9600 bps
Text Columns
Font Style
Underline

Thermal Print Simulation

Paper & Ink Preset
Ink Fade Level	0%
Paper Age (Sepia)	0%
Mechanical Jitter	0.0px
Paper Degradation	0%

How to Use

Ensure all connections and serial settings are correct. Connect the emulator using the Connect Serial button on the right panel. The virtual printer is now ready to receive print commands over the COMMS link. Standard OPL LPRINT commands will output directly to the scrolling thermal print roll. Use the custom GPRINT stub for graphics mode (i.e. to draw raw column graphics - see the Printer 2 companion app - Printer Graphics RLE Compressor)

Hardware & Conflict Warnings

Connect your Organiser's COMMS Link to a serial port or Serial-to-USB convertor on the host computer. Web Serial will try to set the default baud rate settings. You may need to set your host computers serial port settings to match 9600 Baud, 8 Data Bits, No Parity, and 1 Stop Bit.
Important: Ensure no other software (like Org-Link, terminal programs, or OPK Editor transfers) is holding the serial port open, as standard OS ports can only be accessed by one app at a time.

Printer Control Codes

The emulator supports hardware command formatting:
• CHR$(14): Double Width (20 columns)
• CHR$(15): Normal (40 columns)
• CHR$(23): Narrow (60 columns)
• CHR$(22): Very Narrow (80 columns)
• CHR$(21)/(24): Underline On/Off
• CHR$(17)/(18): Double Height On/Off (if flow control filter is disabled)

Thermal Print Roll

GPRINT OPL Routine Transfer

1. Set Up Organiser II COMMS settings

2. Prepare Organiser II for Receive Mode

3. Transfer Progress

Transfer Completed Successfully!