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Re: How to replace the transfer belt Electrostatic...
That depends what kind of printer you're dealing with. In general, you should just open a front cover. Then release the ETB from the rest of the machine. Look for two blue handles to release the ETB. Replace the ETB and make sure the printer detects the new ETB. If the printer don't detects the new ETB, try to restart the printer or reset the ETB-counter in -Configue device--->resets----->reset supplies----->NEW ETB.
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Replacing the Transfer Belt (ITB, Transfer Kit) HP Color LaserJet CP4525 CM4530
1. Open the printer's right side door.
2. Use the blue lever (see callout 1 in picture below) to lower the secondary transfer assembly.
3. Grasp the small handles on the transfer belt assembly (circled in blue in picture below), and begin gently pulling the assembly out towards you, until a set of 2 larger handles pop free on the sides of the transfer belt assembly.
4. Now grasp the larger handles on the transfer belt assembly, and continue pulling the transfer belt straight out of the printer until it is completely removed.
5. Avoid touching the surface of the new transfer belt. Install in reverse order, sliding it securely into the machine.
6. After replacing the Transfer Belt, it's a good idea to perform a Full Calibration (or even several Full Calibrations in a row, if you are having print quality issues). Full Calibrations help with print quality by aligning the color tones, the drums, and the color plane. Each Full Calibration takes about 4 minutes. To perform a Full Calibration: Press MENU to enter the menus. Press Down Arrow to highlight CONFIGURE DEVICE. Press Checkmark to select CONFIGURE DEVICE. Press Down Arrow to highlight PRINT QUALITY. Press Checkmark to select PRINT QUALITY. Press Down Arrow to highlight FULL CALIBRATE NOW. Press Checkmark to select FULL CALIBRATE NOW. Wait for the printer to calibrate (usually takes 4 minutes or so), and then print a test page. If print quality still needs improvement, repeat the Calibration. If multiple Calibrations don't help, some of the toner cartridges may need replacement.
59.9 error is caused by a problem with the ETB (transfer belt) motor. Check the connector that the belt plugs into to make sure it is not damaged. If you have a spare Transfer Belt I would try that first. Most likely the motor has failed and will require replacement.
ITB = Intermediate Transfer Belt Where the total print image is transferred to the belt then to the paper before being fused. ETB = Electrostatic Transfer Belt where the print image is transferred directly to the paper and the toner never touches the belt.
The error says that "The transfer rollers in the ETB are not engaged."
If replacing the ETB(electronic transfer belt) doesn't fix the problem, your printer is going to need a technician. Problem could be poor seating of the cables on the ETB motor or the 'transfer-roller separation solenoid or the DC Controller. It could be a bad ETB motor or solenoid or DC Controller or high voltage power supply. This isn't something that is going to be fixed by email.
I hope you have a service contract for your printer.
The problem most like resides in the ETB or electronic transfer belt....The image is not being removed from the belt to the paper causing shadowing effect...you need to replace the ETB. Try www.getthatpart.com they have great units at great prices and have someone on the phone you can talk to. If you feel its not the ETB and you don't see any toner left on the belt call these guys up and they can help you futher
Go to the "Print/Interpret the Print Quality Troubleshooting Pages" section and run the tests. Click the "Click Here" link in "Step two: Interpret the Print Quality Troubleshooting pages" to see if it's the ETB.
Be warned though, the ETB unit is over US$500 (If you think that's bad it's $786 here in Australia even with dollar parity) however HP support will replace it free of charge if the printer is still under warranty, just give them a call (number on HP site).
there is what is called a etb electron static transfer belt in this system if that is what you are referring to then it will be a big cost to six. but if the etb belt ids warn then that might be why it's life was so short
Sounds like it's a transfer belt and not a drum you are refering too. Each toner cartridge mose likely has a drum built into it. If the lines are only in one color it may be that toner that is bad. But most likely it's the transfer belt, often called an ITU (Image Transfer Unit) or ETB (Electrostatic Transfer Belt). They sometimes get contaminated with dust, oils from fingers, etc... and can't be cleaned, would need to be replaced.