C. SorterCOPYRIGHT © 1997 CANON INC. CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 11 TROUBLESHOOTING11-266Code Cause• The CPU (Q1) or the communica-tions IC (Q3) on the sorter controllerPCB is not operating normally.• Feeding motor (M1; fails)• Feeding guide (up/downmechanism, interference, etc.)• Push bar motor (M7; fails)• Reference wall motor (M6; fails)• Multi guide motor (M5; fails)• Bin paper sensor automaticadjustment (fails)• Bin paper sensor (S6, S7; autoadjust fault)• Guide bar swing motor (M8; fails)• Stapler unit swing motor (M4; fails)Description• An error in the communicationbetween sorter and copier occurred.• The clock signal from the motorremains off for 250 msec.• After the motor drive signal hasbeen generated, the operation doesnot end in 2 sec.• After the motor drive signal hasbeen generated, the operation doesnot end in 2 sec.• After the motor drive signal hasbeen generated, the operation doesnot end in 2 sec.• The bin paper sensor cannot beadjusted automatically, or theautomatic adjustment setting has anerror.• The bin paper sensor (S6, S7)cannot be adjusted automatically, orthe automatic adjustment settinghas an error.• After the motor drive signal hasbeen generated, the operation doesnot end within a specific period oftime.for front access, 5 secfor others, 2 sec• After the motor drive signal hasbeen generated, the operation doesnot end in 2 sec.• Clock signals from the motor clocksensor (PI8) are not received for250 msec.• The input signal from the swinghome position sensor (PI9) does notchange for 1 sec or more.E500E510E522E523E524E525E526E530E531
