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Re: error message on my hp laserjet 4 printer
The MIO (Jet Direct) card is defective or not seated correctly. Reseat
or replace it. If you have another printer with the same card, try
swapping them. Always turn printer power off when removing or inserting
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Error 59,c0: The developer-disengagement motor
experienced a rotational error.
1. Perform the Alienation Motor test in the
Component Tests menu in the
Troubleshooting menu. Verify that the
cartridges are being correctly alienated.
2. Check the following connectors: J25 at
the motor (M10), J261 and J251 on the
high voltage power supply-D PCA, and
connectors J138 and J106 on the DC
3. Perform the Manual Sensor Test and
observe item G. The normal state is "0".
Locate the in-line connector J70 in the
cable that is connected to developinghome-
position sensor (SR11). To find
this connector, remove the left-side
cover and look in the area below the
support plate. Disconnect the in-line
connector. The state of item G should
change to "1".
4. If the motor is defective, replace motor
M10. If the sensor is defective, replace
the main-drive assembly
Do you mean the printer won't come READY? Or do you mean that you can't get the printer on the network? Print out the CONFIGURATION Pages. The last sheet should be the network info. The top left should have a statement "I/O READY". If you get NOT READY, you probably have a bad JetDirect. If it is ready, check the IP address on the right side, make sure that it is correct. Try reseating the Jet Direct (with power off).
Try to perform a soft reset
1. Press MENU/ENTER.
2. Simultaneously press then release the * button and the # button to enter the Developer's
3. Press the < or > button until the message REINIT FFS appears on the second line of the
4. Press MENU/ENTER.
5. The process takes approximately 2.5 minutes. During that time, the control-panel display
will change several times before returning to Ready.
6. When the Ready message appears on the control-panel display, press CANCEL to exit the
The printer control panel is comprised of six lights and two buttons. The lights produce patterns that
identify the printer status.
1 Jam light: Indicates that there is a jam in the printer.
2 Toner light: When the print cartridge is low, the Toner light illuminates. When the print cartridge is out of the printer,
the Toner light blinks.
3 Paper out light: Indicates that the printer is out of paper.
4 Attention light: Indicates that the print-cartridge door is open or other errors exist.
5 Ready light: Indicates that the printer is ready to print.
6 Go button and light: Initiates action or indicates status.
7 Cancel button: To cancel the print job that is currently printing, press the Cancel button.