Canon MF4690 Service Manual - Page 173
Operation key test 2 correspondence diagram, Lamp test 6-8: LAMP TEST, Line signal reception test 9
UPC - 013803076820
View all Canon MF4690 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 173 highlights
Character C D Operation key OK key Additional Functions key E Status Monitor key F Collate/2 on 1 key G Image Quality key H Enlarge/Reduce key Operation key test (2) correspondence diagram Character 0 3 4 Operation key SEND/FAX key Recall/Pause key Address Book key Character N O P R S U T-14-25 Character 5 8 A - H Operation key 2-Sided key Enagy Saver key Clear key COPY key SCAN key ID key Operation key Coded key Hook key One-touch key The flow of operation panel testing is shown below. 6-7 : Operation Panel LCD test Press the start key All H characters are displayed Press the start key All black dots are displayed LED lamp test Press the start key All LED dots are displayed Press the start key Operation key test (1) 0123456789*#ABCDEFGH I LMNOP RS U A character disappears when the corresponding key is pressed Chapter 14 Operation key test (2) 0 345 8 ABCDEFGH A character disappears when the corresponding one-touch dial key is pressed. The test is finished when the stop key is pressed after deleting all characters F-14-14 Lamp test (6-8: LAMP TEST) Press numeric keypad key 8 on the FACULTY menu to select the scan lamp illumination mode. The test checks to see if the scan lamp is on or not. Numeric keypad key 1 selects LAMP TEST ALL. Press the start key to turn on all scan lamps. LAMP TEST AGC is not used. Line signal reception test (9: LINE DETECT) Press numeric keypad key 9 on the FACULTY menu to select the line signal reception test. In this test, verify the successful operations of the NCU signal sensor and the frequency counter. Menu 1 detects the CI state, while menu 3 detects the CNG signal. Test menu 1 Press numeric keypad key 1 on the LINE DETECT menu to select test menu 1. When CI is detected on the telephone line connection terminal, the LCD display changes from OFF to ON, indicating the received frequency. The LCD also displays the on-hook or off-hook state of an external telephone set as detected. The LCD displays, from left to right, CI, CI frequency, hook port and FC with indications of 1:ON and 0:OFF. 14-33