Ricoh Gestetner 5450, Service Manual, Page: 41 / 315

1 July, 1998 IMAGE-PROCESSING
2-13
Detailed
Descriptions
Remarks for Handling the Thermal Head
Pay careful attention to the following remarks when servicing:
- Other Remarks -
Avoid using the machine under humid conditions. Moisture tends to condense on
the thermal head, damaging the elements.
•
Remove any foreign materials from
the platen roller.
•
Remove foreign materials.
•
Do not touch the master film
surface with bare hands.
•
Connect and disconnect the connectors
carefully. Keep them horizontal and
firmly reconnect them.
•
Do not touch the connector
terminals with bare hands, to
prevent damage from static
electricity.
Connector
Master
Platen
Roller
Thermal Head
PSU
MPU
•
Adjust the voltage supplied to match the
specified value for the thermal head.
•
Do not touch the surface
with bare hands. If this
occurs, clean the surface
with alcohol.
•
Do not damage the
heating elements.
•
There are some ICs inside
the metal cover. Do not push
the cover down.