For Taiwanese users
GP-C830
GP-M830
For other users
GP-C830/GP-C831
GP-M830/GP-M831
1. Cover light
On when the right/left ink cartridge cover or top cover is open.
GP-C830/GP-M830/GP-C831/GP-M831/GP-C832/GP-M832 User’s Guide
Control Panel 52