Chapter 22-314) Make copies, and check the images. If the image is better, suspect a fault in theenvironment sensor or the environmentmeasurement PCB.5) Return the setting of 'VONT' of 'ADJMISC' under'ADJUST' in service mode to '0'.2.7.11 Checking thePhotointerrupters 0002-5940CLC5100 / CLC4000The machine allows you to use a conventional meteror service mode when checking its photointerrupters.a. Using a Meter1) Set the meter to the 30VDC range.2) Connect the probe of the meter to J1017 (GND)of the DC control PCB.3) Connect the + probe to the terminals (on the DCcontroller PCB or the deck controller PCB) shownon the pages that follow.4) Make checks according to the instructions given.b. Using Service Mode1) Start service mode.2) Press 'DISP'.3) Press 'SENSOR'.4) Make checks as indicated.F-2-49T-2-9Adress bit7 bit0Sensor Name ServicemodeChecksPS1 Registrationpaper sensor800006᤹bit0Duringcopying,'1' if paper ispresent overtheregistrationpaper sensor.'0' if absent.PS2 Multifeederlifter sensor(upper)80000A᤹bit2After themultifeederhas beenselected andthe Start keyhas beenpressed,'1' when thelifter of themultifeedermoves up.PS3 Multifeederlifter sensor(lower) 80000A᤹bit3Duringstandby,'1' if the lifterof themultifeederis down.PS4 Multifeederpaper widthsensor (front) 80000B᤹bit0Duringstandby,'1' whenpaper is setin themultifeeder.PS5 Multifeederpaper widthsensor (rear) 80000B᤹bit1Duringstandby,'1' whenpaper is setin themultifeeder.