Atari XMM801, Field Service Manual, Page: 44 / 49

3) Check the gap between Ribbon Guide and Head Nose
again, by inserting above thickness gauge.
The gauge should be inserted smoothly. If not,
back to 2.
2. Adjustment & Replacement of Ribbon Gear Ass'y
2-1 Disassemble and assemble
1) Remove three screws which fix the Ribbon Gear
Assy on the chassis as M2.5 x 6
2) Take out the synchronous belt from Ribbon Gear
Ass'y
3) In Case of Assembling, Do revese way of 2), 1)
But, Don't fix three screw completely, keep a
little bit loose for adjustment of tension of
synchronous Belt
2-2 Adjustment and Lubrication
2-2-1 Lubrication
•
Lubrication for Ribbon Gear Ass'y shuld be done
before assembling on the chassis.
•
Lubricate the grease (Beacon 325) to the
meshing part of the gears.
•
After lubricate, check the gears rotate smoothly
and no eccentricaly.
2-2-2 Adjustment of Tension of Synchronous Belt
• Move the Printer Head to the right end
print Head
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