Piano Companion is a music theory reference app for songwriters, producers, teachers, and students. Look up any of 1,500+ chords or 10,000+ scales instantly, build progressions, and explore harmony on iOS, Android, and Mac.
Whether you're stuck on a progression, blanking on a scale name, or just exploring — Piano Companion gives you the answer in seconds. Press the keys you know, and it tells you what you're playing.
Search by name or tap the keys you know. Piano Companion identifies what you're playing — even from a MIDI keyboard.
The Chord Progression Builder suggests chords that fit your key. Experiment with patterns, listen back, and find what sounds right.
See notes on the grand staff, fingering for both hands, intervals, degrees, and compatible scales — all in context, not abstract textbook diagrams.
: Identifies specific hardware error codes for technical troubleshooting. Prerequisites for Use
: Extract the downloaded folder and run the AdjProg.exe or similar executable file.
Before extracting the downloaded file, you must temporarily disable your Windows Defender or third-party antivirus software.
: The program can read detailed diagnostic reports and, in some versions, modify firmware to resolve recovery problems. Technical Requirements Epson L805 Resetter And Adjustment Program Download Full
Calibrates the bi-directional alignment to fix blurry or shifting text.
Scroll down the pop-up list to find the section. Double-click on Waste ink pad counter and click OK . Step 3: Check and Reset the Counters Check the box next to Main pad counter .
: Select both the Main and Platen pad counters, click "Check" to see usage levels, then click "Initialize" to clear the error. : Identifies specific hardware error codes for technical
Epson printers are engineered with internal sponge pads designed to absorb excess ink during printing and printhead cleaning cycles. Why Does the Printer Stop Working?
via USB cable (the tool does not work over Wi-Fi). Turn the printer on. Phase 2: Running the Program Open the folder and run AdjProg.exe (run as Administrator). Click on the "Particular adjustment mode" button. Select "Waste ink pad counter" from the list and click OK . Phase 3: The Reset Process
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. : The program can read detailed diagnostic reports
: These are often more reliable and offer technical support. Examples include for the full service adjustment program or WIC Reset Utility for a simplified reset process (requires a purchased key). Community & Free Sources
Initiates deep cleaning cycles to fix stubborn nozzle clogs.
The program will prompt you with a message: "Please turn off the printer." Turn off your Epson L805 using its physical power button. Click on the computer screen. Turn your printer back on.
Piano Companion is a music theory reference app that gives musicians instant access to 1,500+ chords with inversions, 10,000+ scales, a chord progression builder, reverse chord lookup, and an interactive circle of fifths. It is available on iOS, Android, and macOS, and supports 40+ languages. Whether you are a beginner learning your first chords or a professional songwriter sketching ideas, Piano Companion provides the answers you need in seconds.
Tap the piano keys you know on screen or connect a MIDI keyboard, and Piano Companion identifies every matching chord and scale in real time. This is especially useful when you hear a chord in a song but don't know its name — just play the notes and the app tells you what they form.
Piano Companion is free to download on iOS, Android, and macOS. The free version includes core chord and scale lookups. A Pro upgrade unlocks additional features including all chord inversions, the full scale library, the chord progression builder, and the circle of fifths tool.
Yes. Connect any MIDI keyboard to your device and Piano Companion will detect the notes you play, identifying chords and scales in real time. This works on iOS (via Camera Connection Kit or Bluetooth MIDI), Android (via USB OTG), and macOS (via USB or Bluetooth).
Piano Companion is available on iPhone, iPad, Android phones and tablets, and macOS. Your chord libraries sync across devices, so you can start on your phone and continue on your Mac.
Available on every major platform. Start exploring chords and scales today.
