Digital Combo DK20S Manual - Halaman 18

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Q. I press the keys on the keypad, and there is no sound or response from

the controller.

A. Check the connection of the keypad to the controller. This is inside

the top panel. Unplug the power cord. Remove the two screws in

between the clamp/linkage that hold down the top panel, and carefully

lift the panel up and look inside at the digital controller. The keypad

connector passes in through the top panel. It should wind around the

first circuit board and be seated fully into the connector. Check the

black keypad connector that plugs into the circuit board to see if it has

pulled apart. Also check the area where the keypad connects to the

front membrane to see if the leads have been damaged. The membrane

keypad may need to be replaced.

Q. The clamp becomes extremely difficult to open and close, and

sometimes binds up.

A. The linkage pins and the posts that connect to the heat platen must be

lubricated with SuperLube - a clear, high temperature lubricant. Lower

the heater but do not clamp the press. Remove the e-clips & linkage

pins and carefully drop the heat platen down from the clamp/linkage

assembly. Make sure there is no tension on the electrical connections

from the heat platen to the top head. Thoroughly clean the posts that

come out of the heat platen, as well as the pins, the holes the pins pass

through, and the holes the heat platen posts pass through. Relubricate

the posts, pins, and all holes & areas in the clamp assembly that receive

motion, and reconnect the assembly.

Q. The press has shut off, and will not come back on after checking the

power cord, on/off switch, etc.

A. Check the fuse. In the back panel of the control box, the power cord

socket has a built-in fuse-holder. Unplug the power cord, and gently

pry out the fuse-holder. If the fuse is burnt out or there is no continuity,

replace it. If the fuse is fine, check the black and white wire connections

from the power socket to the on/off switch, and from the on/off switch

to the controller.

Q. I pressed a transfer upside down. The inks and transfer material have

burned onto the heat platen.

A. Cool the press down. Using a nonabrasive detergent or cleaner, thoroughly

scrub the heat platen surface. Do not use an abrasive scrubber, or a pad

that will scratch the Teflon coating of the platen. If you are still unable to

remove the transfer material, obtain teflon heater block cleaner from the

contact information located at the end of this manual.