CHAPTER 5 TROUBLESHOOTINGCOPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-H1 REV.0 MAR. 2001 5-11b. Adjusting from the ADF controller PCB1) Detach the rear cover.2) Set the DIP switch (DSW1) on the ADFcontroller PCB as illustrated and pressthe push switch (PSW1) to let the ADFinto scanning speed adjustment mode.Set 1 for the first side, 2 for the secondside.F05-101-12When Scanning speed adjustment modesets in, ADF controller PCB LED2 willdisplay the current setting.A setting is displayed in the order of thesign, tens place, and ones place, de-pending on the mix of the LED2 flash-ing speed and the flashing count.1. LED2 lit for 2 seconds: Start of dis-play2. LED2 off for 1 second3. Quick display of the sign of the setting(at 0.1 second intervals)LED2 flashes twice to indicate positive(+), or once to indicate negative (-).4. Flashing slowly the number of timesspecified by the tens place (at 0.8 sec-ond intervals)5. Flashing slowly the number of timesspecified by the ones place (at 0.2 sec-ond intervals)* If the setting is positive (+), all LEDs willflash twice quickly in 3.F05-101-13LED4LED2LED31. first sideLED1DSW1PSW12. second side: On : Flashing : Off1. LED2 on for 2 seconds2. LED2 off for 1 second4. Tens place of thesetting Flashing twiceindicates 2(at 0.8 second intervals).3. Sign of the settingFlashing once denotes (-)(at 0.1 second intervals).5. Ones place of the settingFlashing six timesindicates 6(at 0.2 second intervals).1 2 3 41 2 3 41 2 3 41 2 3 41 2 3 4
