Toshiba DP120F Service Manual page 612

Chapter 11
1. TEST MODE [MENU], [9] .......................................................................... 11-1
1.1 AUTO TEST [MENU], [9], [1] ........................................................................ 11-2
1.2 INDIVIDUAL TEST [MENU], [9], [2] .............................................................. 11-4
1.3 TEST RESULT LIST [MENU], [9], [3] ........................................................... 11-14
1.4 SERVICE MODE ............................................................................................ 11-15
1.5 FUNCTION TEST (In SERVICE MODE only) [MENU], [9], [4] ..................... 11-16
1.6 MAINTENANCE (In SERVICE MODE only) [MENU], [9], [5] ....................... 11-27
1.7 SERVICE LIST (In SERVICE MODE only) [MENU], [9], [6] ......................... 11-36
2. Telephone Screening ................................................................................. 11-41
2.1 Inquiry from a User ......................................................................................... 11-41
2.2 Indication of an Error ...................................................................................... 11-41
2.3 Flow Chart Recommended for Field Service .................................................. 11-42
2.4 Flow Chart Recommended for Telephone Screening ..................................... 11-43
3. Initial Checks .............................................................................................. 11-45
3.1 Checking the Environmental Conditions for Installation ................................. 11-45
3.2 Checking the Document ................................................................................. 11-45
3.3 Checking the Recording Paper ...................................................................... 11-45
3.4 Checking the Consumables ........................................................................... 11-46
3.5 Cleaning ......................................................................................................... 11-46
3.6 Checking by Self-diagnostic Functions .......................................................... 11-46
4. Trouble Analysis ......................................................................................... 11-57
4.1 Power-ON is not Possible .............................................................................. 11-58
4.2 Nothing is Indicated on the LCD Display ........................................................ 11-58
4.3 Error Message is Re-displayed ...................................................................... 11-59
4.4 Document Feed Error ..................................................................................... 11-67
4.5 Recording Paper Feed Error .......................................................................... 11-69
4.6 Copying Error ................................................................................................. 11-72
4.7 Poor Print Quality ........................................................................................... 11-73
5. Updating the Firmware .............................................................................. 11-79
Troubleshooting