Toshiba DP120F, Service Manual

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March 2000 © TOSHIBA TEC 11-1 DP120F/DP125F Troubleshooting
Chapter 11 Troubleshooting
This chapter describes various test functions which can be useful in recovering data and diag-
nosing troubles that may occur on this facsimile machine.
<Remarks> To select a menu item, you may use the [
↑
] or [
↓
] key to display the
required item followed by pressing the [ENTER] key, as described above,
or you may directly enter the item number found to the right of the title of
each item menu through the dial keypad.
1. TEST MODE [MENU], [9]
In test mode, there are various functions available to users and service technicians to test the
machine during maintenance. When a PBA or major part has been replaced because of the
occurrence of a problem with this machine, an operation check must be made.
WARNING: • Before replacing the main PBA, it is necessary to print the current func-
tion settings so that the unit can be reconfigured to the same setting.
• Before turning off the power switch, be sure to check with the LCD
display that no PIX data and received data is stored in memory. Turn-
ing off the power switch without such checking may result in the loss
of data.
Test Mode Operation Overview
(1) Turn on the power switch. When the standby mode screen is displayed, press the [MENU]
key.
1.COMM. OPTIONS
2.LISTS
3.INITIAL SETUP
4.DEFAULT SETTING
↓
3.INITIAL SETUP
4.DEFAULT SETTING
5.MENU LIST
9.TEST MODE
(2) Use [
↑
] or [
↓
] key to select “9. TEST MODE”, and then press the [ENTER] key.
(3) Use the [
↑
] or [
↓
] key to select the desired item, and then press the [ENTER] key.
The test mode provides the test functions listed below. For details, refer to the respective
pages.
1. AUTO TEST (Refer to 11-2.)
2. INDIVIDUAL TEST (Refer to 11-4.)
3. TEST RESULT LIST (Refer to 11-14.)
4. FUNCTION TEST* (Refer to 11-16.)
5. MAINTENANCE* (Refer to 11-27.)
6. SERVICE LIST* (Refer to 11-36.)
<Remarks> Tests marked with an asterisk (*) can be performed by service technicians
only. These tests are available by changing to service mode. For chang-
ing to service mode, refer to “1.4 Service Mode” on page 11-15.