Sensors; Printer Paper; Changing The Fuse - Ecom J2KN pro Operation Manual

14.3 Sensors (continued)
The CO sensor is protected from exposure to high con-
centrations by the automatic CO bypass pump. If the limit
value of 4000 ppm is exceeded, a second pump switches on
and purges the sensor with fresh air.

14.4 Printer Paper

To change the printer paper, please follow these steps:
1. Release the printer cover
2. Take out the used paper roll
3. Remove the used paper roll from the shaft and place the
new paper roll onto the shaft
4. Insert the paper end into the black ribbon cartridge slot
5. Feed approximately 2 inches of paper by going to
Adjustments -> Paper feed and pressing <OK>
6. Place new paper roll and shaft back into place
7. Insert the paper end into the blue printer cover slot
8. Close the printer cover

14.5 Changing the Fuse

A 1 amp fuse is located in a small drawer just below the
power cord socket. If the J2KN-Pro is not powering up when
plugged into AC power, this may be due to a blown fuse. To
change the fuse, please follow these steps:
1. Use a small
screwdriver to
release the fuse
drawer
2. Take out the
spare fuse and
insert into the
active fuse spot
3. Re-insert fuse
drawer
Fuse drawer
Active fuse (exposed)
Spare fuse (hidden)
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