Asic Test; Panel Test; Iot Test - Epson AcuLaser C2900N Service Manual

Chapter 2 Operation of Diagnostic

4.1.7 ASIC Test

Register check
Executes this test when the 116-343 error occurred.
Test result: NG (Go to FIP.) OK (Turn off/on the main power.)
ASIC register check.
Normal
CHECK OK

4.1.8 PANEL Test

Tests the LED, LCD, and buttons of the control panel.
This test checks input and output of the control panel. When buttons are pressed in the manner shown
in the following table, the test displays the corresponding contents on the LED and LCD.
Button
OK
MENU
STOP
POWER SAVE
pressed at the same
time
Indicates left side square is the Ready LED, middle square is the Alarm LED and right side
square is the Power Save LED. STOP
Not lighting Lighting

4.1.9 IOT Test

Communication test with the IOT
Executes this test when the 024-371 error occurred.
Test result: NG (Go to FIP.) OK (Turn off/on the main power.)
This test checks communication with the IOT. Then it reads the status register of the IOT to check
whether commands can be exchanged with the IOT.
It sends the following command to read the status register, and checks whether the appropriate
response returns.
Read ROM Revision No
Normal
CHECK OK
Epson AcuLaser C2900N
Error
ASIC ERROR
LED
- (The test is completed)
Error
IOT ERROR
2 - 9
LCD
Displays "UP" on the LCD.
Displays "DOWN" on the LCD.
Displays "LEFT" on the LCD.
Displays "RIGHT" on the LCD.
Displays "SET" on the LCD.
Displays "MENU" on the LCD.
Displays "CANCEL JOB" on the LCD.
Displays "POWER SAVE" on the LCD.
- (The test is completed)
Revision B
Confidential