1.先关闭打印机（不需要拔掉电源线），先按【停止】键，然后按【电源】 键。(两个按键都不松开) 2.当电源灯点亮时，不松开【电源】按键的同时，松开【停止】按键 然后按【停止】键5次松开，接下来松开【电源】键 3、当电源灯长亮时，维修模式进入成功。 三、使用软件 打印机进入维修模式后，软件显示相应的型号，打印机里放好打印纸，选ALL 一项并点击[清零]按钮清零，当提示[恭喜您！清零成功！]时，关闭打印机重开即可。

支持打印机 Pixma iX Series iX6500, iX6510, iX6540, iX6550, iX6560, iX7000 Pixma iP Series iP2700, iP2702, iP2770, iP2772, iP3600, iP3640, iP3650, iP3660, iP3670, iP3680, iP4800, iP4810, iP4830, iP4840, iP4850, iP4870, iP4900, iP4910, iP4930, iP4940, iP4950, iP4970, iP4980, iP4990, iP5810, iP5880 Pixma PRO Series Pro9000 Mark II, Pro9500 Mark II See also Canon Service tool V2000 Pixma MX Series MX320, MX328, MX330, MX338, MX394, MX395, MX397, MX860, MX868 Pixma MP Series MP230, MP237, MP240, MP245, MP250, MP252, MP258, MP260, MP268, MP270, MP272, MP276, MP278, MP280, MP282, MP287, MP480, MP486, MP490, MP492, MP495, MP496, MP497, MP499, MP540, MP545, MP550, MP558, MP560, MP568, MP620, MP620B, MP628, MP630, MP638, MP640, MP648, MP980, MP988, MP990, MP996 Pixma MG Series MG2120. MG2140, MG2150, MG2170, MG2240, MG2250, MG2270, MG2400, MG2410, MG2420, MG2440, MG2450, MG2470, MG3140, MG3150, MG3170, MG3240, MG3250, MG3270, MG4100, MG4140, MG4150, MG4170, MG5140, MG5150, MG5170, MG5210, MG5220, MG5230, MG5240, MG5250, MG5270, MG5280, MG5340, MG5350, MG5370, MG6140, MG6150, MG6170, MG6240, MG6250, MG6270, MG8140, MG8150, MG8170, MG8240, MG8250, MG8270