The QC4-6400 (also cross-referenced as QC4-6424) encoder strip is a carriage timing strip compatible with various Canon PIXMA inkjet printers.

Canon PIXMA MG Series

• MG2400 Series: MG2420, MG2470

• MG2500 Series: MG2500, MG2510, MG2520, MG2522, MG2525, MG2530, MG2540, MG2550, MG2550S, MG2555S, MG2560, MG2570, MG2570S, MG2580, MG2580S, MG2590

• MG2900 Series: MG2920, MG2922, MG2924, MG2980

• MG3000 Series: MG3010, MG3020, MG3022, MG3040, MG3050, MG3051, MG3052, MG3053, MG3060, MG3070, MG3077, MG3080, MG3090

• MG3600 Series: MG3620

Canon PIXMA TS Series

• TS2500 Series: TS2500, TS2540

• TS3100 Series: TS3100, TS3108, TS3120, TS3122, TS3140, TS3180

• TS3300 Series: TS3300, TS3320, TS3322, TS3325, TS3327, TS3329, TS3340, TS3350, TS3351, TS3352, TS3355, TS3360, TS3365, TS3370, TS3380, TS3390

Canon PIXMA E & iP Series

• E Series: E400, E408, E410, E460, E468, E470, E478

• iP Series: iP2870, iP2880