How to solve the h4 subcode 00 error message on sharp AL-2030 copiers

This post will teach you how to fix the h4 subcode 00 error message on your sharp AL-2030 copiers in two single steps you can repeat anywhere.

Usually, this error message appears on Sharp copiers when the fusers are overheating. When this happens, please adjust your printer’s position and separate it at least 50cm (20 inches) from any wall or border it may have been standing next to; leaving it in the same original position could cause some serious damage.

If you look at these copiers’ backside, most of them have ventilators where a small fan pushes all the hot air created by the fuser. This vapor comes directly from the fuser unit.

We recommend keeping your copier fresh and ventilated at all times. Even when they need a bit of heat to set the letters and pictures on paper, too much heat can compromise the head detectors and cause the h4-00 error message. Please keep in mind your printer could just say “h4” on screen, but that it’s usually followed by the 00 subcodes.

You can see all the error codes by pressing the star key, the same one you push to make a copy on it. If you look this error code, please add the subcode as well, since some error messages have many different subcodes attached to it. This is the start copy on your printer.

start button on these printers

Now that you have identified the subcode and are made sure it’s actually the h4-00 error message, you may proceed to eliminate it from your copier. Please read this entire procedure attentively.

We also recommend keeping your printer on and displaying this error message. The first thing you must do is access your copier’s service mode.

Step #1:
First, press the clear key, which is marked with the C letter on the main screen. The next picture will show you exactly how it looks. Then, press the auto button twice; you can find it on the left side of the main screen. You can now look at the following image.

clear button

After pressing the clear button, press the auto one. Now please look at the next picture.

auto button

Remember you have to press these buttons consecutively two times each, creating the following sequence: clear-auto-clear-auto.

Step #2:
The copier’s screen will now show you two different sets of numbers where you must indicate how many copies you want to have made, the screen will go completely black after this.

You will need to add one set of 10 copies and four sets of 1 to reach a total of 14 copies. After it’s done, press the star key as if you actually wanted those copies done. Please take a look at the following picture.

press as if to make about 14 copies

After pressing the star or green button, the screen will go black once more. You can now turn the copier off and on again, and this will have solved your issue. However, if things don’t go as plan, please contact us by leaving a comment in the section below this post.