HP Photosmart 7350 Printer support
Introduction
A corrupt PID can prevent a USB device from working correctly in Windows. Removing the PID key and reinstalling the software for the device may resolve the issue. Follow the steps below in the order given to remove the PID keys.
Step one: Make a backup copy of the Windows Registry
Create a backup copy of the Registry by following the steps below:
- Click Start, and then click Run. The Run window will open.
- In the Open box, type REGEDIT and then click OK. The Registry Editor window will open.
- Open the Export Registry File window.
- In Windows 95, 98, Me, 2000, click Registry, and then click Export Registry File. The Export Registry File window will open.
- In Windows XP, click File, and then click Export Registry File. The Export Registry File window will open.
- In the Save in box, select Desktop.
- In the File name box, type Backup to name the file.
- In the Save as type box, select Registration Files.
- In the Export range area, select All.
- Click Save. The Export Registry File window will close and save a copy of the Registry on the Desktop.
- With the Registry Editor still open, go to Step 2: Remove the Photosmart Registry keys.

NOTE:In Microsoft Windows 2000 or Windows XP, you can back up the Registry with the Backup utility in the System Tools menu.
Step two: Remove the Photosmart Registry keys
Follow the steps below to remove the Photosmart Registry keys.

CAUTION: Changing the Registry incorrectly could cause your computer to stop working. Before completing this step, review the
instructions for restoring your registry (bps05757)
in case anything goes wrong.
- Open the Enum registry key.
- In Windows 2000 and XP, follow the steps below:
- Click the plus (+) next to HKEY_LOCAL_MACHINE.
- Click the plus sign (+) next to SYSTEM.
- Click the plus (+) next to CurrentControlSet.
- Click the plus sign (+) next to Enum.
- In Windows 95, 98, and Me, follow the steps below:
- Click the plus sign (+) next to HKEY_LOCAL_MACHINE.
- Click the plus sign (+) next to Enum.
- Click the plus sign (+) next to the USB.
- In the table below, locate the PID number for the Photosmart product you want to remove.
- Then in the Registry Editor, select that PID key and press the Delete key on the keyboard.
- Close the Registry Editor.
- Uninstall the driver software for the HP Photosmart product.
- Restart the computer.
- Reinstall the driver software for the HP Photosmart product.
Resolving an “Unable to Delete Key” Error Message in Windows 2000 or Windows XP
When attempting to remove a key, the following message may appear: Unable to Delete Key. If this occurs, check your permissions.
For Windows XP, follow the steps below:
- Right-click the key to be deleted.
- Left-click Permissions.
- In the Permissions window, click each of the names in the Group or user names section one at a time. Verify that Allow Full Control is selected. Click the box to add a check mark if necessary.
- Click Apply, then click OK.
- Select the key to be removed and press the Delete key on the keyboard.
- Close the Registry Editor window.
For Windows 2000, follow the steps below:
- Click Start, and then click Run.
- In the Open box, type REGEDT32 and then click OK.
- Highlight the key to be removed.
- At the top of the REGEDT32 Window, click Security.
- Click Permissions.
- Under Allow, click Full control. In the Permissions window, click each of the names in the Group or user names section one at a time. Verify that Allow Full Control is selected. Click the box to add a check mark if necessary.
- Click Apply, and then click OK.
- Click the key to be deleted.
- At the top of the window, click Edit.
- Click Delete.
- Close all Registry Editor windows.
PID keys for HP Photosmart products
Both VID and PID keys are listed under USB. All HP VID keys are 03f0.
All HP devices have a Vendor Identification (VID) of 03f0. The Product Identification (PID) is listed on the same line as the VID. For example, the correct key for the Photosmart 120 camera would be VID_03f0&PID_4002. The PID is unique for each USB device.
| Product | PID key(s) |
|---|---|
| 120 digital camera | PID_4002, 6502 |
| C500 digital camera | PID_6002 |
| 215 digital camera | PID_6202 |
| 315 digital camera | PID_6102 |
| 318 digital camera | PID_4002, 6302 |
| 320 digital camera | PID_4002, 6602 |
| 430 Series digital camera | PID_4002, 7202 |
| 612 digital camera | PID_4002, 6302 |
| 618 digital camera | PID_4002, 4102 |
| 620 digital camera | PID_4002, 6802 |
| 635 digital camera | PID_4002, 7102 |
| 715 digital camera | PID_4002, 6402 |
| 720 digital camera | PID_4002, 6702 |
| 733 digital camera | PID_4002, 6C02 |
| 735 digital camera | PID_4002, 6A02 |
| 812 digital camera | PID_4002, 4202 |
| 850 digital camera | PID_4002, 4302 |
| 912 digital camera | PID_4002, 4102 |
| 935 digital camera | PID_4002, 4402 |
| 945 digital camera | PID_4002, 4502 |
| R507 | PID_6e02 |
| R607 | PID_6d02 |
| R707 | PID_6b02 |
| R717 | PID_7602 |
| R725 | PID_8402 |
| R727 | PID_8502 |
| R817 | PID_7702 |
| R818 | PID_7e02 |
| M22 | PID_7502 |
| M305 | PID_7202 |
| M307 | PID_7302 |
| M407 | PID_7402 |
| M417 | PID_7802 |
| M425 | PID_8002 |
| M517 | PID_7902 |
| M525 | PID_8102 |
| E317 | PID_7d02 |
| E217 | PID_7c02 |
| E327 | PID_8b02 |
| P1000 printer | PID_3002 |
| P1100 printer | PID_3102 |
| 100 printer | PID_3802 |
| 130 printer | PID_3902 |
| 230 printer | PID_3502 |
| 325 printer | PID_1202 |
| 330 printer | PID_1602 |
| 375 printer | PID_1302 |
| 380 printer | PID_1702 |
| 420 printer | PID_1502 |
| 470 printer | PID_1802 |
| 1115 printer | PID_3402 |
| 1215 printer | PID_3202 |
| 1218 printer | PID_3302 |
| 1315 printer | PID_3602 |
| 7150 printer | PID_3a02 |
| 7350 printer | PID_3c02 |
| 7450 printer | PID_b802 |
| 7550 printer | PID_3e02 |
| 7260 printer (rear USB) | PID_b002 |
| 7260 printer (front USB) | PID_b102 |
| 7660 printer (rear USB) | PID_b202 |
| 7660 printer (front USB) | PID_b302 |
| 7760 printer (rear USB) | PID_b402 |
| 7760 printer (front USB) | PID_b502 |
| 7800 printer | PID_c002 |
| 7960 printer (rear USB) | PID_b602 |
| 7960 printer (front USB) | PID_b702 |
| 8000 printer | PID_c202 |
| 8150 printer | PID_ba02 |
| 8250 printer | PID_c102 |
| 8450 printer | PID_bb02 |
| 8700 printer | PID_bc02 |
| S20 photo scanner | PID_0102 |
| 1000 scanner | PID_020C |
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