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Maintenance item No. U021 Memory initializing Description Initializes all settings, except those pertinent to the type of machine, namely each counter, service call history and mode setting. Also initializes backup RAM according to region specification selected in maintenance item U252 Setting the destination. Refer to *1 of the maintenance mode item list about the item initialized. Purpose To return the machine settings to their factory default. Method 1. Press the start key. 2. Press [EXECUTE] on the touch panel. 3. Press the start key. All data other than that for adjustments due to variations between machines is initial- ized based on the destination setting. 4. Turn the main power switch off and on. For errors occurred, turn main power switch off then on, and execute initialization. Error codes U024 HDD formatting Description Initializes the hard disk. In addition, the following settings are also initialized by initializing the hard disk. System menu (user login administration, job accounting, address book, one-touch keys and document box etc.), shortcuts and panel programs Purpose To initialize the hard disk when replacing the hard disk after shipping. Method 1. Press the start key. 2. Press [EXECUTE] on the touch panel. 3. Press the start key to initialize the hard disk. 4. Turn the main power switch off and on. Description Codes Description 01 Configuration initialization error 02 Counter initialization error 20 Engine initialization error 40 Scanner initialization error 2JZ/2JX/2JV/2H7-5 1-3-23
this error code means the fuser rollers failed to heat up you can reset the code by turning the machine off and hold down the utility\counter key while you turn the machine onwhen the trouble reset button shows on the touchscreen touch it and when it says ok turn the machine off then back on if the machine gives this erro again you will have to have the fuser replaced
Sounds like it wasn't initialized, even though it says Er 4 instead of Er 0... According to my manual, to (re)initialize it and reset it to zero, tap the platform lightly. It should show zeroes running across the display for a second or two, then show all zeroes and turn off. It should be re-initialized...
Error Codes for the 5757 (according to my manual):
Er 0 Initialization error (remedy described above)
Er 1 Instability error (step off the scale, then back on)
Er 2 Overload warning (registering weight beyond the 440 pound max)
Er 3 Contact error (body impedance beyond technical limit - try dampening feet and try again for better contact)
Er 4 Bodyfat error (bodyfat percentage is beyond range - try dampening feet and try again for better contact)
Er 5 Bodywater error (bodywater percentage is beyond range - try dampening feet and try again for better contact)
Turn the printer on.
Following initialization, use the Down Arrow key to scroll to the Ink system menu icon and press Enter.
NOTE:If the error code appears during initialization press the Enter key to allow printer to complete the rest of the initialization process.
Scroll to Replace Printheads and press Enter. The printer should now move the carriage to an accessible position.
Open the top cover. Remove all four printheads.
Turn the printer off using the main power switch located on the back of the printer.
Turn the printer on.
Following initialization, insert one printhead at a time, starting with the black printhead.
Determine whether or not the printer accepts the printhead.
Turn the printer off and repeat steps for each of the printhead.
Replace the failed printhead.
I might advise you reformat the operating system of the computer, or check the peripheral devices for this computer if properly connected? You got a fatal error it means that there is something that is not reading by the memory of the computer.