hp 4345 MFP ---- will not initialize/boot
更新时间：2024/3/23 5:48:42,view:716HP 4345 MFP ---- will not initialize/boot打印机苏州木渎打印机维修服务中心电话0512-696l6769，苏州HP 4345 MFP ---- will not initialize/boot木渎维修站，HP 4345 MFP ---- will not initialize/boot木渎维修站, hpM403更改纸盒, hp1020打印淡, HP2055怎么打印自检, HP 5225如何恢复出厂设置, HP1025打印多页会缺色,
I am working on a LaserJet 4345MFP that will not complete its initialization sequence i.e... The three LED's on the front never stop blinking. The control panel displays the hp logo during this period but never comes to the ready screen.
I swapped the complete formatter assemblies between this 4345 and a working 4345. The first time I turned on the working 4345 with the suspected formatter in place, the printer booted and fully initialized. I turned the printer off and right back on. After that, the working printer (with suspected formatter installed) never would fully initialize again. I tried 4 or 5 times. I installed the complete formatter assembly from the working 4345 into the problem 4345 and it still would not initialize.
I swapped components (hard drive, FAX card, and firmware module) from known working formatter into the suspected formatter while it was installed on the problem 4345. There was no change. I did not have the luxury of swapping the other way around (suspected bad components to good formatter on working 4345).
These are the other things I noticed on the bad 4345:
1. The heartbeat light flashes --- ONE, ONE TWO.
2. There isn't a "Copy module" light on either 4345. Although the service manual states that there is a copy module LED. I looked at the circuit board and did not see an LED in that position.
3. The internal NIC card link light flashes but only when I leave the hard drive disconnected and reboot the printer. I tried with both hard drives and got the same result
4. I get replies from the printers IP and can access the web Jetadmin program when the hard drive is disconnected. Unfortunately for me the web jet admin program was very basic and did not have an event log. However the working 4345's web jet admin had more pages and information.
5. The FAX light LED light does not blink.
6. The engine test will not print.
7. If I leave the hard drive disconnected the three LEDs on the control panel will blink in sequence and then go out, the start button light turns to amber and the control panel LCD doe not change.
Here are my questions/thoughts:
Has any one ever experienced this type of problem?
Can I upgrade the web jet admin software on this machine to a newer version that has an event log? Where is the web Jetadmin software? On the internal NIC, formatter, hard drive or ????? If put the known good formatter back in the bad 4345 and access the event log will I see errors/events from the working 4345 or from the bad 4345. Where can I find a list of every component involved in the initialization sequence? Can I bypass these components one by one until the machine boots? If I do a cold reset will that tell me anything? Do you have any tips, tricks, or tests that will help me find the problem?
Any thoughts, comments, or help would be greatly appreciated.
售后技术交流平台 2016-8-24 20:57:58
hp4345机器无法初始化，首先怀疑主板
I swapped the complete formatter assemblies between this 4345 and a working 4345. The first time I turned on the working 4345 with the suspected formatter in place, the printer booted and fully initialized. I turned the printer off and right back on. After that, the working printer (with suspected formatter installed) never would fully initialize again. I tried 4 or 5 times. I installed the complete formatter assembly from the working 4345 into the problem 4345 and it still would not initialize.
I swapped components (hard drive, FAX card, and firmware module) from known working formatter into the suspected formatter while it was installed on the problem 4345. There was no change. I did not have the luxury of swapping the other way around (suspected bad components to good formatter on working 4345).
These are the other things I noticed on the bad 4345:
1. The heartbeat light flashes --- ONE, ONE TWO.
2. There isn't a "Copy module" light on either 4345. Although the service manual states that there is a copy module LED. I looked at the circuit board and did not see an LED in that position.
3. The internal NIC card link light flashes but only when I leave the hard drive disconnected and reboot the printer. I tried with both hard drives and got the same result
4. I get replies from the printers IP and can access the web Jetadmin program when the hard drive is disconnected. Unfortunately for me the web jet admin program was very basic and did not have an event log. However the working 4345's web jet admin had more pages and information.
5. The FAX light LED light does not blink.
6. The engine test will not print.
7. If I leave the hard drive disconnected the three LEDs on the control panel will blink in sequence and then go out, the start button light turns to amber and the control panel LCD doe not change.
Here are my questions/thoughts:
Has any one ever experienced this type of problem?
Can I upgrade the web jet admin software on this machine to a newer version that has an event log? Where is the web Jetadmin software? On the internal NIC, formatter, hard drive or ????? If put the known good formatter back in the bad 4345 and access the event log will I see errors/events from the working 4345 or from the bad 4345. Where can I find a list of every component involved in the initialization sequence? Can I bypass these components one by one until the machine boots? If I do a cold reset will that tell me anything? Do you have any tips, tricks, or tests that will help me find the problem?
Any thoughts, comments, or help would be greatly appreciated.
售后技术交流平台 2016-8-24 20:57:58 hp4345机器无法初始化，首先怀疑主板
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