Ribbon Motion Sensor - Sharp SX 1075 Service Maintenance Manual

RIBBON MOTION SENSOR

This sensor communicates to the machine the
motion of the ribbon supply hub. If the ribbon is not
unwinding during a machine cycle, the machine will
go into a "Ribbon Fault."
TESTING
Some parts of testing the ribbon motion sensor
require that power be applied to the machine.
WARNING
USE EXTREME CAUTION WHILE SERVICING
A MACHINE WHILE POWER IS APPLIED.
UNEXPECTED MACHINE
CAUSE SERIOUS INJURY OR DEATH.
WARNING
DO NOT ATTEMPT
MACHINE DURING NORMAL OPERATION.
KEEP HANDS AND
MOVING PARTS.
WARNING
WHILE TESTING
COMPONENTS WITH POWER APPLIED TO
THE MACHINE,
TROUBLESHOOTING
AVOID ELECTRICAL SHOCK.
1. If the machine goes into a "Ribbon Fault,"
check to make sure there is ribbon left on the
supply roll and that it is properly threaded
through the machine.
completely used, install a new roll of ribbon and
check machine operation.
2. After the machine passes a visual check, press
the "Feed" button on the printer control panel
(Figure 3-261). This will pull the ribbon through
the machine. If this does not clear the ribbon
fault, move to step 3.
SX™
Service and Maintenance Manual
PRINTHEAD CRADLE ASSEMBLY
STARTUP CAN
TO SERVICE THE
ARMS CLEAR OF
ELECTRICAL
USE PROPER
TECHNIQUES TO
If the ribbon is
SECTION 3 – COMPONENT REPAIR
READY
Feed Button
PAUSE
REV
MENU ESC ESC
Figure 3-261. Printer Control Panel
3. Remove power from the machine, and remove
the outside frame cover (Figure 3-262).
WARNING
Always remove electrical power from the
SX prior to performing any maintenance
on the machine.
Figure 3-262. Frame Cover Screws
3-104
STOP ERROR
FEED CANCEL
FWD ENT
TEST
960714-02B © 2007 I2407