Toshiba e-STUDIO166 - Test Mode (13)

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ERROR CODE AND SELF-DIAGNOSTIC MODE
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2.2.9 Test Mode (13)
The operation of the following items can be checked in the test mode (13).
<Key used in operation>
Code Item Content
01 SRAM test The read/write test is performed throughout the image memory. The test checks
the whole SRAM. When an error is found, the address of the erroneous portion
is displayed and the test is stopped.
02 DRAM test The read/write test is performed on the DRAM. When an error is found, the
address of the erroneous portion is displayed and the test is stopped.
03 Image processing
RAM test
The read/write test is performed on the RAM used for the image processing.
04 CODEC test The hardware test is performed on the CODEC block inside the SoC. The test
encodes data of 10 lines using the MH coding, decodes it and compares it with
the original data.
05 ADF test Paper feeding, transporting and exiting are performed for originals. The number
of the original sheets which exited is counted and displayed.
06 Button test The buttons on the control panel are tested if they are operated properly.
07 LED test All LEDs on the control panel are lit.
08 FROM test The FROM is tested to see if it functions correctly. The checksum of the program
data and function data stored in FROM is calculated and compared with the one
reported in advance.
[1][3]
[Power ON]
ON
"Ch"
[START]
Result
[Digital Key]
Code
(blinks)
Code
[Power]
OFF/ON
[CLEAR/STOP]
07/11