2-17
2. MAIN UNIT REPLACEMENT
EO18-33014
2. After replacing the sensors, with the Set Up Tool, be sure to perform each sensor adjustment,
destination setting, printer ID setting, and online check printing. (Refer to Section 2.7 SETTING AND
ADJUSTMENT.)
3. After replacing the media cover switch, perform a check by following steps below.
1) Turn on the printer and load a media roll.
2) Press the [FEED] button while sliding each of the media cover release catch.
3) Make sure that the printer works properly as the table below shows.
2.4 REPLACING THE PRINT HEAD, CUTTER, AND SENSORS
Condition
Media cover release catches are fully
released.
Either of the media cover release catch
is released.
Media cover release catches are
locked.
Performance
The printer doesn't feed the paper.
The status indicator flashes in red.
The printer feeds the paper.
4) When the printer doesn't work properly, the media cover switch may not be attached properly or
it may not be connected to the CPU PC board properly. Check these possible causes, then make
sure of the printer's performance again. If the printer still doesn't work properly, replace the media
cover switch with the new one.
