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ONSITE HP PRINTER REPAIR   

HP Printer Repair

 

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User- and service-level diagnostics

 

The following sections describe diagnostics for the printer.


Paper-path test

The paper-path test can be used to verify that various paper paths are working correctly or to troubleshoot problems with tray configuration.

To print a paper-path test
1 Press <check mark> to open the menus.
2 Use <Up Arrow> or <Down Arrow> to scroll to CONFIGURE DEVICE, and then press .
3 Use <Up Arrow> or <Down Arrow> to scroll to DIAGNOSTICS, and then press .
4 Use <Up Arrow> or <Down Arrow> to scroll to SET PAPER PATH TEST, and then press .
5 Use <Up Arrow> or <Down Arrow> to select the input tray that you want to test, the output bin, the duplex rinting accessory (if available), and the number of copies.
6 Use <Up Arrow> or <Down Arrow> to scroll to PRINT TEST PAGE, and then press to start

Service test
The service test verifies that the print engine is functioning correctly. This test is very useful for isolating printer problems. The test can be performed with that paper-handling accessories attached, but it will not activate any of the accessory motors, switches, or sensors.

To perform a service test
1 Turn off the printer.
2 Make sure that the paper path of the printer is clear of all media, and that the left, front, and right doors are closed.
3 Open tray 2 and tray 3.
4 Turn on the printer, and when the printer is ready press to open the menus.
5 Use or to scroll to CONFIGURE DEVICE, and then press .
6 Use or to scroll to DIAGNOSTICS, and then press .
7 Use or to scroll to SERVICE TEST, and then press . The service test can take up to two minutes to complete. The message PERFORMING SERVICE TEST appears on the control panel. 
8 When the test is complete, the message SERVICE TEST PASSED appears on the control panel, or up to five sets of four-digit numbers appear on the control panel. If no abnormalities were noted, (0000 0000 0000 0000 0000) appears. If abnormalities were noted, the four-digit code or codes appear in parentheses (0101 0111 0132 0000 0000). Write down these codes and match them to the descriptions and FRUs that are listed in table 21.
9 Close tray 2 and tray 3.

 

Table 22. Service test abnormality codes

Code  Description   FRU
0101 Cassette pickup-rod motor Paper-input unit
0102 Cassette feed motor Paper-input unit
0103 Cassette feed motor Paper-input unit
0104 Tray 1 feed motor Tray 1
0105 Switchback motor Duplexer
0106 Duplex feed motor Duplexer
0107 Duplex feed motor 2 Duplexer
0108 Side registration motor Duplexer
0109 Pre-registration roller clutch Registration assembly
0110 Registration roller clutch Registration assembly
0111 Tray 1 feed roller clutch Tray 1
0112 Coil jam sensor solenoid Fuser assembly
0113 Face-up flapper solenoid Delivery assembly
0114 Tray 1 pickup solenoid Tray 1
0115 Duplex deflector solenoid Duplexer
0116 Duplex flapper solenoid Duplexer
0117 Upper cassette paper out solenoid Paper-input unit
0118 Upper cassette lifter position sensor Paper-input unit
0119 Upper cassette paper level sensor A Paper-input unit
0120 Upper cassette paper level sensor B Paper-input unit
0121 Upper cassette feed sensor A Paper-input unit
0122 Upper cassette feed sensor B Paper-input unit
0123 Lower cassette paper out sensor Paper-input unit
0124 Lower cassette lifter position sensor Paper-input unit
0125 Lower cassette paper level sensor A Paper-input unit
0126 Lower cassette paper level sensor B Paper-input unit
0127 Lower cassette feed sensor A Paper-input unit
0128 Lower cassette feed sensor B Paper-input unit
0129 Registration paper sensor Registration assembly
0130 Pickup rod home position sensor Paper-input unit
0131 Fusing unit delivery sensor A Fuser assembly
0132 Fusing unit delivery sensor B Fuser assembly
0133 Face-down bin delivery sensor Delivery assembly
0135 Tray feed sensor Tray 1
0136 Switchback sensor Duplexer
0137 Duplex feed sensor Duplexer
0138 Duplexer reaming paper sensor Duplexer
0139 Face-down bin paper-full sensor Delivery assembly
0140 Right door sensor Paper input unit
0141 Duplex feed roller 1 home-position sensor Duplexer
0142 Side registration guide home-position sensor Duplexer
0143 OHT sensor Registration assembly
0144 Coil jam sensor Fuser assembly

 

Maintenance Kits Available
Fuser Assemblies Avaialabe

Cold reset
Performing a cold reset clears all data from the printer memory and returns all of the default settings
to the factory settings.

CAUTION Performing a cold reset resets the Jetdirect configuration. To avoid making changes to your network configuration, remove the HP Jetdirect print server before performing a cold reset.

Note If possible, print a configuration page and menu map before performing a cold reset. This documents current settings for later reference.


To perform a cold reset, set the display language, or reset the maintenance kit
1 Turn off the printer.
2 Press and hold <Check Mark> (the 6 button on MFPs).
3 Turn on the printer.
4 Continue to hold <Check Mark> until all three control panel lights illuminate, and then release (the 6 button on MFPs).
5 Use <Down Arrow> (the 9 button on MFPs) or <Up Arrow>  (the 3 button on MFPs) to scroll to the appropriate selection (COLD RESET, SELECT LANGUAGE, or NEW MAINTENANCE KIT).

Note Other functions are available in this menu, but are not applicable.

6 Press <Check Mark> (the 6 button on MFPs).
The printer boot sequence is complete when READY appears on the control-panel display.


To initialize (format) a hard disk

Note Initializing a hard disk erases all of the data on the installed mass-storage devices.

1 Turn off the printer.
2 Press and hold PAUSE/RESUME (START on MFPs).
3 Turn on the printer.
4 Hold PAUSE/RESUME or START down until all three error lights illuminate.
5 Release the PAUSE/RESUME or START key.
6 Press <Left Arrow> (the 5 button on MFPs) until INITIALIZE DISKS appears on the control-panel display.
7 Press <Check Mark>  (the 6 button on MFPs).
The printer boot sequence is complete when READY appears on the control-panel display.



To initialize NVRAM or perform a skip disk

Note The model number, the serial number, the usage data, and the error event log information is retained when performing a disk initialization.

1 Turn off the printer.
2 Press and hold <Down Arrow> (the 9 button on MFPs).
3 Turn on the printer.
4 Release <Down Arrow> (the 9 button on MFPs).
5 Press <Up Arrow>  (the 3 button on MFPs).
6 Press PAUSE/RESUME (START on MFPs).
7 Use <Down Arrow>  (the 9 button on MFPs) or (the 3 button on MFPs) to scroll to the appropriate selection (NVRAM INIT or SKIP DISK).

Note Other functions are available in this menu, but are not applicable.


8 Press <Check Mark> (the 6 button on MFPs).

The printer boot sequence is complete when READY appears on the control-panel display.


Cold reset

Performing a cold reset clears all data from the printer memory and returns all of the default settings to the factory settings.

CAUTION Performing a cold reset resets the Jetdirect configuration. To avoid making changes to your network configuration, remove the HP Jetdirect print server before performing a cold reset.

Note If possible, print a configuration page and menu map before performing a cold reset. This documents current settings for later reference.


To perform a cold reset, set the display language, reset the maintenance kit, enable or disable embedded LAN

1 Turn off the printer.
2 Turn on the printer.
3 Wait until the printer begins counting memory.
4 Press and hold <Check Mark> (the 6 button on MFPs).
5 Continue to hold <Chjeck Mark>  until all three control panel lights illuminate, and then release <Check Mark> (the 6
button on MFPs).
6 Use <Down Arrow> (the 9 button on MFPs) or <Up Arrow> (the 3 button on MFPs) to scroll to the appropriate
selection (COLD RESET, SELECT LANGUAGE, NEW MAINTENANCE KIT, or ENABLE/DISABLE EMBEDDED LAN).

Note Other functions are available in this menu, but are not applicable.


7 Press <Check Mark>  (the 6 button on MFPs).
The printer boot sequence is complete when READY appears on the control-panel display.


To initialize (format) a hard disk


Note Initializing a hard disk erases all of the data on the installed mass-storage devices.

1 Turn off the printer.
2 Turn on the printer.
3 Wait until the printer begins counting memory.
4 Press and hold MENU (START on MFPs).
5 Hold PAUSE/RESUME or START down until all three error lights illuminate.
6 Release the MENU or START key.
7 Press <Left Arrow> (the 5 button on MFPs) until INITIALIZE DISKS appears on the control-panel display.
8 Press  <Check Mark> (the 6 button on MFPs).

The printer boot sequence is complete when READY appears on the control-panel display.


To initialize NVRAM or perform a skip disk

Note The model number, the serial number, the usage data, and the error event log information is retained
when performing a disk initialization
.

1 Turn off the printer.
2 Turn on the printer.
3 Wait until the printer begins counting memory.
4 Press and hold <Down Arrow>  (the 9 button on MFPs) until all three error lights illuminate.
5 Release <Down Arrow>  (the 9 button on MFPs).
6 Press <Up Arrow>  (the 3 button on MFPs).
7 Press MENU (START on MFPs).
8 Use <Down Arrow>  (the 9 button on MFPs) or <Up Arrow> (the 3 button on MFPs) to scroll to the appropriate selection (NVRAM INIT or SKIP DISK).

Note Additional functions are available in this menu but they are not applicable.

9 Press <Check Mark>  (the 6 button on MFPs).

The printer boot sequence is complete when READY appears on the control-panel display.


High-voltage power-supply check
The high-voltage power-supply PCA provides the necessary voltages for the electrophotographic processes. Use the following procedures to verify the operation of the high-voltage system. 

Print cartridge connection points Visually inspect the four connection points on the inside, right end of the print cartridge. If they are dirty or corroded, clean the connections. If they are damaged, replace the print cartridge.


High-voltage contacts
The high-voltage contact springs are mounted on the high-voltage power-supply PCA and protrude through the print cartridge cavity to contact the print cartridge. Verify that the contacts are not dirty or corroded and that the spring action is functional. If they are damaged, replace the high-voltage power-supply PCA.
Maintenance Kits Available

 

 

     

HP Printer Repair

 

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