惠普4700打印機顯示49.4C02錯誤什么意思
更新時間：2025/1/27 2:06:18,view:102惠普4700蘇州惠普打印機售后服務(wù)中心客服熱線69616769，蘇州惠普售后電話，惠普售后網(wǎng)點， hp4700n更換熱凝氣套件, 惠普4700彩色打不出來很淡, hp4700dn13.05.00, hp4700定影組件清零,維修視頻
惠普4700打印機顯示49.4C02錯誤什么意思，，tried to upgrade firmware
49.xxx errors are typically caused by a corrupt print job stuck in the print queue. Fastest way to test for this:
1. Turn off printer.
2. Unplug data cable (USB/Network) from printer.
3. Turn printer on. Is there a 49.xxx error, o r does the printer boot to a ready state? If it boots to a ready state, print an internal print (Config Report, etc...) If it prints that with no issue, then plug the data cable back into the printer , see if the 49.xxx error returns. If the 49.xxx error returns after all that, then it's a job that is corrupt. Go clear the print queue for every printer ， print server for that printer.
Note: If you get a 49.xxx error with the data cable UNPLUGGED, then the formatter is likely the issue ， will need to be replaced.
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