Toshiba e-STUDIO190F, Service Manual

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3 Maintenance, Adjustments and Check Points
3.1. Preventive Maintenance
Preventive maintenance is performed at specific intervals and consists of machine
cleaning and parts replacement.
It is essential to perform these service activities properly and at the specified intervals
for customer satisfaction.
The purpose of this service is to maintain machine performance and image quality.
- You should prepare the replacement parts, and cleaning tools beforehand.
- After completing the preventive maintenance, discard the used parts and
packaging in accordance with local regulations and clean the surrounding
area.
- Before servicing the equipment, disconnect the power cord from the wall outlet.
- Before using solvents such as IPA (Isopropyl alcohol), put on rubber gloves
and eye protection.
1 Timing
- Perform the preventive maintenance in accordance with the Preventive
Maintenance Check List (refer to 3.4) in the service manual.
2 Cleaning the Rollers
- Rollers should be cleaned with water and cloth.
- Use the IPA (Isopropyl Alcohol) sparingly.
3 Disassembly and Adjustment Precautions
Turn the Power Switch on the Rear Side of the machine to the OFF
position, and then unplug the AC Power Cord from the wall outlet
before disassembling the machine. (During a Lightning Storm, to
prevent electrocution disconnect the Telephone Line Cable first
before unplugging the AC Power Cord.)
CAUTION!
- After taking the unit apart, do not attempt to operate the machine.
- When operating the machine with covers removed, be careful and avoid clothing
from being caught by moving components.
-
- Ensure to use correct screws.
- Use toothed lock washers for the installation of ground wires to ensure electrical
continuity.
- To reassemble, reverse the sequence of disassembly, unless otherwise specified.
- Blown fuses should only be replaced with fuses of the same specified rating.
While the electricity is applied to the unit, do not connect nor disconnect the
connectors on any PC Board.