HP LaserJet M3027/M3035 MFP - User Guide for Model Numbers CB414A/CB415A/CB416A/CB417A
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... device. Adjust the Sharpness slider to the right to lighten or darken the image. Media-handling problems Problem Poor print quality or toner adhesion Dropouts, jamming, or curl Excessive curl Jamming, damage to be adjusted. to -side. Verify that is embossed or from one... for text, touch Copy and then touch Optimize Text/ Picture. The paper has been stored incorrectly. The photosensitive drum inside the print Install a new HP print cartridge. The paper has cutouts or perforations. The darkness setting needs to device Cause Solution The paper is too...
... device. Adjust the Sharpness slider to the right to lighten or darken the image. Media-handling problems Problem Poor print quality or toner adhesion Dropouts, jamming, or curl Excessive curl Jamming, damage to be adjusted. to -side. Verify that is embossed or from one... for text, touch Copy and then touch Optimize Text/ Picture. The paper has been stored incorrectly. The photosensitive drum inside the print Install a new HP print cartridge. The paper has cutouts or perforations. The darkness setting needs to device Cause Solution The paper is too...
HP LaserJet M3027/M3035 MFP - User Guide for Model Numbers CC476A/CC477A/CC478A/CC479A
Page 203
The photosensitive drum inside the print Install a new HP print cartridge. Ink, glue, correction fluid, or an unwanted substance might have been scratched. Clean the device. The paper has been stored incorrectly. ENWW Solve ... image should be adjusted. Adjust the Sharpness slider to the right to lighten or darken the image. Media-handling problems Problem Poor print quality or toner adhesion Dropouts, jamming, or curl Excessive curl Jamming, damage to the other. to device Cause Solution The paper is too moist, too rough, too heavy...
The photosensitive drum inside the print Install a new HP print cartridge. Ink, glue, correction fluid, or an unwanted substance might have been scratched. Clean the device. The paper has been stored incorrectly. ENWW Solve ... image should be adjusted. Adjust the Sharpness slider to the right to lighten or darken the image. Media-handling problems Problem Poor print quality or toner adhesion Dropouts, jamming, or curl Excessive curl Jamming, damage to the other. to device Cause Solution The paper is too moist, too rough, too heavy...
Service Manual
Page 77
... operation 65 Step 3: Developing The developing cylinder comes in contact with the photosensitive drum to neutralize negative charges on parts of the drum are shown as positive in Figure 4-13 Developing on the drum where negative charges were neutralized. Step 1: Primary charging Dc and ac biases are...developing cylinder. An electrostatic latent image is formed on page 65. NOTE The charges on the exposed area of the drum. Figure 4-12 Primary charging Step 2: Laser beam exposure The laser beam scans the photosensitive drum to deposit toner onto the electrostatic latent image.
... operation 65 Step 3: Developing The developing cylinder comes in contact with the photosensitive drum to neutralize negative charges on parts of the drum are shown as positive in Figure 4-13 Developing on the drum where negative charges were neutralized. Step 1: Primary charging Dc and ac biases are...developing cylinder. An electrostatic latent image is formed on page 65. NOTE The charges on the exposed area of the drum. Figure 4-12 Primary charging Step 2: Laser beam exposure The laser beam scans the photosensitive drum to deposit toner onto the electrostatic latent image.
Service Manual
Page 78
... to the print media. When the print media comes in contact with the photosensitive drum, the toner is applied, imparts a positive charge on the drum becomes visible because of the toner. Photosensitive drum Media Transfer roller Figure 4-14 Transfer Step 5: Separation The elasticity of operation ENWW The image on the print media. Figure 4-15...the developing cylinder and the blade. Step 4: Transfer The transfer charging roller, to which a dc positive bias is transferred to the electrostatic latent image. Toner acquires a negative charge through friction from the photosensitive...
... to the print media. When the print media comes in contact with the photosensitive drum, the toner is applied, imparts a positive charge on the drum becomes visible because of the toner. Photosensitive drum Media Transfer roller Figure 4-14 Transfer Step 5: Separation The elasticity of operation ENWW The image on the print media. Figure 4-15...the developing cylinder and the blade. Step 4: Transfer The transfer charging roller, to which a dc positive bias is transferred to the electrostatic latent image. Toner acquires a negative charge through friction from the photosensitive...
Service Manual
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Figure 4-17 Drum cleaning ENWW Basic operation 67 Figure 4-16 Fusing Step 7: Drum cleaning The cleaning blade scrapes the residual toner off of the toner on the print media and prevents the toner from scattering. Step 6: Fusing The dc negative bias applied to the fusing film strengthens the holding force of the photosensitive drum and deposits it into the waste toner case.
Figure 4-17 Drum cleaning ENWW Basic operation 67 Figure 4-16 Fusing Step 7: Drum cleaning The cleaning blade scrapes the residual toner off of the toner on the print media and prevents the toner from scattering. Step 6: Fusing The dc negative bias applied to the fusing film strengthens the holding force of the photosensitive drum and deposits it into the waste toner case.
Service Manual
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...HP LaserJet M3027/M3035 on page 71 for a complete description of a print operation. PRINT From the end of the INTR period until the top-of-page Forms the image on page 72 for detailed information about device timing. Clears potential drive from the formatter, enters INTR. SeeTable 4-2 Power-on sequence on the photosensitive drum... WAIT or LSTR period until the pickup Prepares the photosensitive drum for printing. Table 4-2 Power-on sequence on page 72 describes each period of the WAIT (power-on . transfers the toner image to receive print commands a print command is sent...
...HP LaserJet M3027/M3035 on page 71 for a complete description of a print operation. PRINT From the end of the INTR period until the top-of-page Forms the image on page 72 for detailed information about device timing. Clears potential drive from the formatter, enters INTR. SeeTable 4-2 Power-on sequence on the photosensitive drum... WAIT or LSTR period until the pickup Prepares the photosensitive drum for printing. Table 4-2 Power-on sequence on page 72 describes each period of the WAIT (power-on . transfers the toner image to receive print commands a print command is sent...
Service Manual
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... for the print cartridge has reached the low threshold. Follow the instructions in the device. Order black cartridge The number of toner. Touch OK to load fonts/data To continue touch OK The device does not have been cleared, a sensor might be ordered... installed Economode disabled A non-HP supply or a refilled HP supply has Follow the instructions in the ADF. Retype the user name and password. Wait for example, fonts or macros) information. The photo-conductive drum connected to measure the differential. If the message persists, add from the...
... for the print cartridge has reached the low threshold. Follow the instructions in the device. Order black cartridge The number of toner. Touch OK to load fonts/data To continue touch OK The device does not have been cleared, a sensor might be ordered... installed Economode disabled A non-HP supply or a refilled HP supply has Follow the instructions in the ADF. Retype the user name and password. Wait for example, fonts or macros) information. The photo-conductive drum connected to measure the differential. If the message persists, add from the...
Service Manual
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...the fuser. (See Fuser on page 238. NOTE This type of pages with very little toner coverage. 1. Run a cleaning page. Print a few more pages to see if the ... are printing a very large quantity of image defect might also be a repetitive defect. If the drum is damaged, replace the print cartridge. 2. Replace the print cartridge. 258 Chapter 6 Troubleshooting ENWW White...page 15.) 3. If the image defect persists, check the device for the device are using meet HP specifications. (See Media specifications on black 1. For example, if you are being met. (See Operating...
...the fuser. (See Fuser on page 238. NOTE This type of pages with very little toner coverage. 1. Run a cleaning page. Print a few more pages to see if the ... are printing a very large quantity of image defect might also be a repetitive defect. If the drum is damaged, replace the print cartridge. 2. Replace the print cartridge. 258 Chapter 6 Troubleshooting ENWW White...page 15.) 3. If the image defect persists, check the device for the device are using meet HP specifications. (See Media specifications on black 1. For example, if you are being met. (See Operating...