Dc Roller Clutch - Sharp SX 1075 Service Maintenance Manual

DC ROLLER CLUTCH

The DC roller clutch is pressed into a timing pulley
on the printer side of the main cradle plate. The
clutch cannot be seen without some disassembly of
the machine.
TESTING
WARNING
Always remove electrical power from the
SX prior to performing any maintenance
on the machine.
1. With the cradle cover open, spin the rewind
hub. Watch the roller clutch pulley located
between the two inner cradle plates.
winding the ribbon onto the hub (counter-
clockwise), the DC clutch will spin freely on the
transfer shaft. When unwinding the ribbon
(clockwise), the DC roller clutch will turn the
transfer shaft. If either of these conditions is
not met, the clutch needs replacement.
Rewind Hub
Figure 3-201. Locating the DC Roller Clutch
SX™
Service and Maintenance Manual
PRINTHEAD CRADLE ASSEMBLY
When
Timing Pulley with
DC Roller Clutch
SECTION 3 – COMPONENT REPAIR
ADJUSTMENT
The DC roller clutch is adjustment free.
REPLACEMENT
1. Remove the outside cradle cover.
Figure 3-202. Removing the Outside Cradle Cover
2. Loosen the clamp collar and the set screws on
the transfer shaft pulley.
Transfer
Shaft Pulley
Figure 3-203. Transfer Shaft Components
3-81
Outside Cradle
Screws
Clamp Collar
960714-02B © 2007 I2407