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SPECIAL CONSIDERA nONS
1.
Cleaning Printwheels
Printwheels used with carbon ribbons seldom need cleaning. Both plastic print-
wheels and metal printwheels used with cloth ribbons will require an occasional
cleaning.
Remove the print wheel and clean with toluene or' naphtha* and a soft brush or
wiper. DO NOT clean with water. DO NOT get solvent on the hub or damper
ring (metal wheels). Be careful not to bend the "spokes".
2.
Changing Ribbons During Operation
The 630 Printer (40 CPS) will stop printing, the RIBBON/PAPER light will
appear, and the alarm will sound upon reaching the end of a carbon ribbon.
Should this happen during receipt and print out of data from a host system, the
operator should open the access cover, replace the ribbon cartridge as
described, close the access cover, and then touch the control panel RESET
switch to resume printing.
3.
Cleaning The Print Hammer
Remove the print wheel and ribbon cartridge as described. Locate the movable
print hammer inside its guide and push the hammer out to the rear, to expose as
much of the head as possible. Use toluene or naphtha* and a wiper or brush to
remove any accumulated ink or other substances, and wipe dry.
*
Toluene and naphtha are available at most drug stores.
*
90% isopropyl alcohol may be used as a solvent for cleaning the print
hammer.
SYSTEM COMPONENTS
14-36
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