Toshiba DP120F, Service Manual

Page: 614 / 706

DP120F/DP125F Troubleshooting 11-2 March 2000 © TOSHIBA TEC
1.1 AUTO TEST [MENU], [9], [1]
In AUTO TEST mode, the user himself follows the procedure to automatically perform a series
of test items in succession.
NOTE: AUTO TEST cannot be performed if the data, such as received data, delayed
transmission, or polling data, is stored in the memory.
The test items to be performed in AUTO TEST mode are as follows:
• FLASH ROM TEST
Checks the firmware, function data, and language data stored in the Flash ROM.
• SRAM TEST
Performs a read/write test on the SRAM.
(For the contents of the test, refer to “1.5.5 SRAM TEST” on page 11-22.)
• DRAM TEST
Performs a read/write test on the DRAM.
(For the contents of the test, refer to “1.5.6 DRAM TEST” on page 11-23.)
• MODEM TEST (Line 1, Line 2: Only when installed)
Performs a read/write test on the MODEM register and detects a line current.
• SCANNER TEST
Tests the image scanning operation of the CIS and performs a read/write test on the internal
memory of the DSC.
(For the contents of the test, refer to “1.5.8 SCANNER TEST” on page 11-24.)
• CODEC TEST
Tests the coding/decoding operation of the CODEC.
(For the contents of the test, refer to “1.5.9 CODEC TEST” on page 11-25.)
• PRINTER TEST
Prints a test pattern sheet to check the operation of each section (HVPS, LSU, Fuser, and so
on) of the printer.
• PHONE BOOK DATA TEST
Checks the data of the phone book.
• NET. BOARD TEST (Only when the GF-1010 is installed)
Checks the GF-1010 (Optional NIC.)
(For the contents of the test, refer to “1.5.10 NET. BOARD TEST” on page 11-25.)
• PCL BOARD TEST (Only when the GA-1020 is installed)
Checks the GA-1020 (Optional PCL board.)
(For the contents of the test, refer to “1.5.11 PCL BOARD TEST” on page 11-26.)