Canon MF4690 Service Manual - Page 168
Scan Test, 13.3.1 Scan Test 2 SCAN TEST, 13.4 Print Test, 13.4.1 Print Test 3 PRINT TEST, 13.5
UPC - 013803076820
View all Canon MF4690 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 168 highlights
Chapter 14 error appearing on the touch panel (LCD). Numeric keypad key 2 Checks to see if data can be correctly read from all areas of D-RAM (SDRAM). If an error occurs making this check, the test is aborted, with an error appearing on the touch panel (LCD). D-RAM TEST 29696KB [1] - [2] D-RAM TEST 29696KB 29696 D-RAM TEST 29696KB complete (no error) D-RAM TEST 29696KB 29696 WRT= 33CC RD= 33EC ADR= BF840201 D-RAM TEST 29696KB complete (error) 14.13.3 Scan Test F-14-7 14.13.3.1 Scan Test ((2) SCAN TEST) 0016-2129 Scan test ((2) SCAN TEST) Press the numeric keypad key 2 on the test mode menu to select the SCAN test. Press numeric keypad keys 1 during the SCAN test to carry out the individual tests described below. Numeric keypad key 1 Corrects the LED output of the contact sensor and sets its parameters automatically. (AGC adjustment) 14.13.4 Print Test 14.13.4.1 Print Test ((3) PRINT TEST) 0016-2130 Print test ((3) PRINT TEST) Press the numeric keypad key 3 on the test mode menu to select the print test. Press numeric keypad keys 2 and 4 during the print test to generate test patterns as described below. Two kinds of service test patterns are available. Other test patterns are reserved for factory/development purposes. Numeric keypad key 2 (2) BLACK: All-black output Numeric keypad key 4 (4) ENDURANCE: Black belt output To cancel test printing, press the stop key. 14.13.5 Modem Test Use it to make sure that the print pattern does not have white lines or uneven image. Use it to make sure that the print pattern does not have contraction/ elongation of an image or dirt/black line.s F-14-8 14.13.5.1 MODEM Test ((4) MODEM TEST) 0016-2131 MODEM test((4) MODEM TEST) These tests test modem and NCU transmission and reception. The modem tests check whether signals are sent correctly from the modem by comparing the sound 14-28