Canon MF4690 Service Manual - Page 167
DRAM Test, 13.2.1 D-RAM Test<1 D-RAM TEST>
UPC - 013803076820
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Chapter 14 Numerals enclosed in parentheses denote a numeric keypad key to be pressed each. Group Subgroup Item 1 Item 2 Item 3 (1) RELAY TEST [1] - [2] (1) RELAY TEST 1 Explanation NCU relay (and switch) ON/OFF test (2) RELAY TEST 2 (2) FREQ TEST [0] - [6] (0) FREQ TEST 462Hz (1) FREQ TEST 1100Hz (2) FREQ TEST 1300Hz (3) FREQ TEST 1500Hz (4) FREQ TSST 1650Hz (5) FREQ TEST 1850Hz (6) FREQ TEST 2100Hz (4) G3 SIGNAL TX TEST [0] - [8] (0) G3 SIGNAL TX TEST 300bps (1) G3 SIGNAL TX TEST 2400bps (2) G3 SIGNAL TX TEST 4800bps (3) G3 SIGNAL TX TEST 7200bps (4) G3 SIGNAL TX TEST 9600bps (5) G3 SIGNAL TX TEST TC7200bps (6) G3 SIGNAL TX TEST TC9600bps (7) G3 SIGNAL TX TEST 12000bps (8) G3 SIGNAL TX TEST 14400bps (5) DTMF TEST [0] - [9], * , # (0) G3 SIGNAL TX TEST 300bps (1) G3 SIGNAL TX TEST 2400bps (2) G3 SIGNAL TX TEST 4800bps (3) G3 SIGNAL TX TEST 7200bps (4) G3 SIGNAL TX TEST 9600bps (5) G3 SIGNAL TX TEST TC7200bps (6) G3 SIGNAL TX TEST TC9600bps (7) G3 SIGNAL TX TEST 12000bps (8) G3 SIGNAL TX TEST 14400bps (9) G3 SIGNAL TX TEST TC9600bps (*) G3 SIGNAL TX TEST 12000bps (#) G3 SIGNAL TX TEST 14400bps (6) MODEM TEST (8) G3 V.34 Tx TEST (9) (5) AGING TEST (6) FUNCTION TEST [1] - [9] (1) FUNCTION TEST G3 4800bps (3) 6-3 SENSOR [1] - [8] (1) CRG ON FCV ON ALS [of of of] (2) PW of PW2 of (3) DS of DES of HPS of (4) TN Value 125 USB memory of (5) CRG ON FCV ON ALS [of of of] (6), (7), (8) (4) ADF FEED TEST (5) BOOK FEED TEST (6) 6-6 SPEAKER FREQ:[1] VOL:[2] (7) Operation Panel (8) FUNCTION TEST LAMP TEST ALL (9) LINE TEST [1] - [3] (0) ROLLER CLEAN 0:PRT 1:ADF (0) PRT ROL CLEAN Press start key (1) ADF ROL CLEAN Press start key 230 V common NCU test Frequency test G3 signal transmission test DTMF transmission test Tonal sign reception test V34 G3 signal transmission test Not used Not used G3 4800 bps signal transmission test Sensor checks Not used ADF delivery operation test Book copy operation test Speaker volume and buzzer frequency test Operation panel key, LCD and LED test Lamp test Line signal reception test Printer and ADF roller cleaning Not used 14.13.2 DRAM Test 14.13.2.1 D-RAM Test 0016-2126 D-RAM Test((1) D-RAM) Press the numeric keypad key 1 on the test mode menu to select the D-DRAM test. Press numeric keypad keys 1 and 2 during the D-DRAM test to carry out the individual tests described below. Numeric keypad key 1 Checks to see if data can be correctly written to and read from all areas of D-RAM (SDRAM). If an error occurs making this check, the test is aborted, with an 14-27