Game Boy Printer

Released alongside the Game Boy Printer in 1998, Nintendo-manufactured thermal paper refill rolls were produced in white, cream, blue, yellow, and red colour variants, all of which had an integrated adhesive backing. They had a roll width of 38mm and a roll diameter of 30mm, with a central 12mm diameter red cardboard spindle.[4] A typical roll had 390–400cm of length. After powering the printer on, a clip at the rear of the protruding translucent grey refill housing is depressed, allowing this to be lifted away. The thermal paper roll inserted upside-down, unravelled end facing down, with this end being slotted into a thin slot. The maroon 'FEED' button is then pressed/held down, which engages the uptake motor, and pulls the paper through to the exit slot adjacent to the printer logo. This has an integrated serrator, which allows finished prints to be ripped in a zig-zag fashion off the main paper feed. Forcibly pulling the paper opposite to the feed direction causes irreversible damage to the gearing within the feed mechanism.

When a picture printed from the Game Boy Camera, it would print with a 5mm margin above and below the picture and print the picture at a 23mm height. This would give the total of 33mm height per picture. Although on-box refill advertisements boasted up to 180 pictures per roll, in actuality a typical roll could only print between 118 and 121 pictures.

Sold on the official Nintendo e-Shop (as triple packs of blue, cream and white rolls) until 2007, Gameboy-branded official replacement thermal paper is now difficult to source. Even brand-new, sealed, un-opened official rolls degrade relatively quickly once opened (if they were stored correctly and their seal has not failed). Most, however, have suffered degradation whilst in storage due to a chemical reaction between the thermal paper and adhesive backing layer.[5] Due to the proprietary nature of the adhesive-backing, replacement thermal paper that is able to be adhered to surfaces once printed upon (including brands such as 'MAXStick') is prohibitively expensive.

Instead, the thermal paper rolls can be successfully substituted with a 38mm x 4m alternative, with or without ('core-less') spindle cores, without repercussions on the printer. Such rolls are also compatible with some hand-held printing calculators, such as the Canon TP-8, Texas Instruments 5000-2008, Sharp 8180, and Casio FX-802. Alternatively, wider rolls (such as 57mm x 30mm x 12.7mm) can be cut or trimmed to 38mm, and function without issue.

Please note, however, that due to the inherent limitations of thermal paper, photographs printed on thermal paper will fade over time (this depends heavily on the thermal paper variant used, and could be as short as a few months, or instead a few years) until the paper is virtually blank. Paper in this state can usually be re-used, as long as the length of the strip is long enough to be manually fed into the takeup.

It is unknown whether original Gameboy Printer paper contains the chemicals Bisphenol-A (BPA) or its analog Bisphenol-S (BPS). Previously very widely used in plastics and thermal receipt paper due to their heat resistance and stability, these are currently being phased out of thermal paper coatings due to their in-vivo accrual (via direct dermal absorption) and resultant oestrogen-mimicking and endocrine disruption.[6] Modern thermal paper roll replacements, or their manufacturers, usually clearly state if they are Bisphenol free [BP-Free].

The communication between the Game Boy and the Game Boy Printer is via a simple serial link. Serial clock (provided by the Game Boy for the printer), serial data output (from Game Boy to printer) as well as serial data input (to Game Boy from printer). The Game Boy sends a packet to the printer, to which the printer responds with an acknowledgement as well as a status code.[7][8][9]

Mad Catz[11] and Xchanger sold a kit that enabled users to connect a Game Boy to a PC and print images using the PC's printer. Hobbyists outside the UK can also make their own cable for uploading images to their computer.[12] A Game Boy Printer emulator is needed for the Game Boy to interface with the PC once linked via cable.[13] The Game Boy Printer Paper has also been discontinued, and rolls of the genuine article that still produce a reliable image are becoming more difficult to find.[14] Regular thermal paper, such as the kind used for POS terminals, can be cut to the proper width and used successfully with the Game Boy Printer.[15]

The system will print a test message reading "Hello" if it is turned on while the feed button is held. According to the manual, this is used to test if the printer is functioning properly. To get around using six AA batteries (1.5 volts each) for the printer, a single 9V battery can be used if wired properly, because the printer requires 9V DC.