Canon MultiPASS C755 Service Manual - Page 11

MultiPASS C755 Chapter 1: General Description 2.4 Scanner Specification Type Sheets ADF capacity Max. 20 sheets (A4/Letter) Max. 10 sheets (Legal) Effective scanning width Letter/Legal 8.42" (214 mm) A4 8.19" (208 mm) Scanning method Contact sensor scanning method Scanning resolution 600 × 600 dpi Scanning line density & Scanning speed Operation Mode FAX Standard Fine Scanner Text (Binary) Gray scale Full color Copy B&W Full color Line density 8 dot/mm × 3.85 line/mm (203.2 dpi × 97.79 dpi) 8 dot/mm × 7.7 line/mm (203.2 dpi × 195.58 dpi) 150 dpi or less 151~300 dpi 301~600 dpi 150 dpi or less 151~300 dpi 301~600 dpi 150 dpi or less 151~300 dpi 301~600 dpi 360 dpi 360 dpi Motor step interval 150 dpi/step 300 dpi/step Scanning speed 5 msec/line (Direct TX) 3.3 msec/line (Memory TX) 3.3 msec/line 150 dpi/step 300 dpi/step 600 dpi/step 150 dpi/step 300 dpi/step 600 dpi/step 150 dpi/step 300 dpi/step 600 dpi/step 600 dpi/step 600 dpi/step 5 msec/line 3.3 msec/line 3.3 msec/line 5 msec/line 3.3 msec/line 3.3 msec/line 9 msec/line 9 msec/line 9 msec/line 3.3 msec/line 9 msec/line Scanner gradations TWAIN Scanning density adjustment Image modes Halftone (fax and copy) Prescan Grayscale; 8 bit, 256 gradations Color; R,G,B (8 bits each) full color capability Yes 3 density level Halftone (PHOTO mode) 64-gradation error diffusion system (UHQ) Yes 1-4