Service Manual
Page 16
... ROM test 15) 160 AD conversion port test 16) 400 POLE DISPLAY test 17) 500 RS232 ch1 test 18) 501 RS232 ch2 test 19) 510 SCANNER test *Starting DIAG. At the same time, the buzzer sounds continuously. 3 Check that , all segments will turn on the LCD will be displayed.... 5. B) The brightness of each number is normal. 4 End of 1 digit (every 200 msec) After that : A) Each position is displayed as follows: 101 ER-A520U/ER-A530U DIAGNOSTIC PROGRAM - 15 - The following is printed. 100 2) KEY CODE 1 Key operation 101 3 CA/AT 2 Test procedure OP display KEY CODE SRV KEYBOARD...
... ROM test 15) 160 AD conversion port test 16) 400 POLE DISPLAY test 17) 500 RS232 ch1 test 18) 501 RS232 ch2 test 19) 510 SCANNER test *Starting DIAG. At the same time, the buzzer sounds continuously. 3 Check that , all segments will turn on the LCD will be displayed.... 5. B) The brightness of each number is normal. 4 End of 1 digit (every 200 msec) After that : A) Each position is displayed as follows: 101 ER-A520U/ER-A530U DIAGNOSTIC PROGRAM - 15 - The following is printed. 100 2) KEY CODE 1 Key operation 101 3 CA/AT 2 Test procedure OP display KEY CODE SRV KEYBOARD...
Service Manual
Page 21
...transmitted, Tsu Te reading beginning command "E" is transmitted, and reading the scanner is put in the left . When data is printed. The printer prints the following. 510 ER-A520U/ER-A530U DIAGNOSTIC PROGRAM - 20 - OP display SCANNER SRV The read data is displayed on the left and printing and ...paper sending are carried out. 3 Check: Check whether the read data is tested to ER-A6HS1 connected with RS-232 PORT...
...transmitted, Tsu Te reading beginning command "E" is transmitted, and reading the scanner is put in the left . When data is printed. The printer prints the following. 510 ER-A520U/ER-A530U DIAGNOSTIC PROGRAM - 20 - OP display SCANNER SRV The read data is displayed on the left and printing and ...paper sending are carried out. 3 Check: Check whether the read data is tested to ER-A6HS1 connected with RS-232 PORT...