MainWindow 0 0 739 497 739 497 739 497 MainWindow 0 51 device list 181 20 Qt::Horizontal 40 20 1 update firmware 80 170 391 20 device information 70 30 501 111 online upgrade 110 30 271 22 400 30 91 23 get version list 400 70 91 23 download and upgrade 10 30 91 20 version list 70 220 501 111 local upgrade 10 30 91 20 file path 110 30 271 20 394 30 101 23 open file path 394 70 101 23 upgrade device information 170 180 71 20 roll count: 240 180 81 21 0 260 230 81 21 0 170 230 81 20 scan count: 270 280 111 31 clear roll count 170 30 321 16 Serial number: 170 80 321 16 Firmware number: 170 130 321 16 Speed mode: correction 120 20 121 22 Color Gray 370 20 121 22 200 300 600 30 20 81 21 Color mode: 290 20 71 21 Dpi: 170 60 113 20 QLineEdit::Normal 30 60 101 23 Get distortion 320 60 101 23 Set distortion 30 110 131 23 Correct 180 110 111 21 Have not corrected 30 150 421 191 password change 180 90 91 21 old password 180 140 91 21 new password 290 90 191 20 290 140 191 20 350 250 131 31 modify password 290 190 191 20 180 190 91 21 confirm new password Qt::Horizontal 40 20 exit 0 0 739 22