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4. TROUBLESHOOTING
Before starting any repair work, strictly obey the following instructions.
CAUTION:
•When replacing parts, be sure to turn the main switch OFF and unplug the
Notes:
•Be sure to output a dial list and a system function list and keep them until the troubleshooting is completed so that if the user’s set data is lost it can be
•Before turning the main switch OFF, be sure to confirm that the residual memory is 100% and no memory reception documents exist. If there is such a document , it will be lost if the service activity requires the battery backup to be unplugged.
•Cover the process unit with a cloth, etc., whenever it is removed from the machine to protect the photosensitive material from deterioration by exposure to light.
•Be sure to perform each adjustment and setting when replacing the following part.
Main PWA | : Refer to 1.10 MAIN PWA replacement procedure. |
CCD unit | : Refer to 1.4.3 Printer unit adjustment and 1.8.5 CCD |
| unit. |
Scanner control PWA | : Refer to 1.4.3 Scanner unit adjustment. |
Carriage 1 | : Refer to 1.8.3 Adjusting the Carriage 1. |
Carriage 2 | : Refer to 1.8.4 Adjusting the Carriage 2. |
Laser scanner unit | : Refer to 1.4.2 Printer unit adjustment and 1.4.4 Printer. |
Original length sensor (RADF) | : Automatic sensor adjustment |
Read sensor (RADF) | : Automatic sensor adjustment |
Reverse sensor (RADF) | : Automatic sensor adjustment |
December 2002 TOSHIBA TEC | 4 - 1 |