Major Unit Replacement - Toshiba B-EX4 Series Maintenance Manual

9. MAJOR UNIT REPLACEMENT

9. MAJOR UNIT REPLACEMENT
Turn the power off and disconnect the power cord before replacing the main parts.
CAUTION!
When replacing parts or performing maintenance on the printer, be careful not to damage the print
head with a hard object like a watch or a ring.
Care must be taken not to allow the
metal or glass part of a watch to touch
the print head edge.
Since the print head element can be easily damaged by shock, please treat it carefully by not hitting a
hard object against it.
NOTE:
Be sure to disconnect all cables of the printer from the PC and the option devices.
Never remove the screws fixing the print head block. (See Caution in Section 3.)
WARNING!
Care must be taken not to allow a
metal object like a ring to touch the
print head edge.
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9. MAJOR UNIT REPLACEMENT