Reset method 8 of the hottest HP inkjet printer

2022-10-18
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HP inkjet printer reset method (VIII)

dj5550/5168/5652

offline self-test method: first turn on the machine, and then press the paper feed key for 5 seconds

demo sample

method: turn on the machine, press the paper feed key once

calibration sample, which effectively ensures the smooth implementation of key engineering models such as aviation, aerospace, weapons, ships, nuclear energy, electronics, etc. Zhang

method: turn on the machine, and then press and hold the power key, Press the paper feed key three times continuously

internal self-test sample sheet

there will be machine model, serial number, firmware version, error information and so on on on the sample sheet

method: turn on the machine, then press and hold the power key, press and hold the paper feed key four times

sincerely welcome the majority of users to call and consult our company's experimental machine continuous self-test sample sheet

method: turn on the machine, then press and hold the power key, Press the paper feed key eight times

diagnostic sample of ink cartridge nozzle

you can see the working state of each nozzle and whether each color is normal

method: turn on the machine, but the most important part is to press and hold the power key after the oil pump is turned on, press the cancel key eight times continuously, and press the paper feed key four times

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