Canon L120 Series Service Manual

Also see for L100 Series: Service manual Service manual

Contents

Chapter 55-24F-5-115.5.5.2 Faculty Test5.5.5.2.1 PRINT TEST PATTERN0010-3263FAX-L100 / FAX-L120From the FUNCTION menu, select PRINT TEST PATTERN.In this test, the printer unit will be used to print various patterns. For service work, be sure to use the BLACK pattern and the SQUARE pattern.Use the BLACK print pattern to meke sure that the printout is free of white lines and unevenness; on the other hand, use the SQUARE printout to makesure that the printout is free of image contraction, elongation, and soiling.MemoAfter completion of the print test, if the printing was normal, copy a document. If there is any defect in the copied image, there is a defect in thescan section.5.5.5.2.2 ADF FEED TEST0010-3269FAX-L100 / FAX-L120From the FUNCTION menu, select ADF FEED TEST.Use the test to make sure that the ADF function of the sheet reader unit operates normally.5.5.5.2.3 Sensor Tests0010-3273FAX-L100 / FAX-L120From the H/W TEST menu, select SENSOR TEST.In this test, you can check the status of each sensor of this fax in items 1 to 4 on the display.You can also check if sensors that use actuators and microswitches are operating correctly by moving the actuator or microswitch.F-5-125.5.5.2.4 Operation Panel Tests0010-3338FAX-L100 / FAX-L120From the H/W TEST menu, select KEY TEST.Use the test to make sure that the buttons on the operation panel operate normally.H/W TEST SIGNAL TESTRELAY TESTSENSOR TESTDIAL TESTVOLUME TESTKEY TESTFUNCTION PRINT TEST PATTERNADF FEED TESTBLACKEFIXASFWHITESQUARE****SENSOR TEST HOOK1 TESTHOOK2 TESTADF TESTCRG TESTRING DETECTCNG DETECTHOOK1=ONHOOK2=ONDS=OFFDES=OFFCRG=ONTN=191STATUS=OFFCNG=OFF