Table | Black Pages |
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Possible Cause | Action | |
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The HVPS connections are dirty. | Clean the HVPS terminals (see Figure | |
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The HVPS is installed improperly. If the | Remove the HVPS, and check the | |
HVPS has been removed and replaced, | connectors for damage. Reseat the | |
it may not be seated properly. | HVPS, being certain to fully seat the | |
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| connectors. |
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Bad Primary Charging Roller. | Replace the Toner Cartridge. | |
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The HVPS is defective. | Replace the HVPS. | |
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DC Controller PCA. The laser drive | Replace the DC Controller PCA, followed | |
circuitry is damaged so that the laser is | by the Formatter PCA if required. | |
always on. |
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Table |
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Any Faint Print Condition | ||
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Possible Cause | Action | |
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Printer set to Economode. | Change driver and/or Control Panel | |
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| settings to ECONOMODE=OFF. |
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Toner Cartridge. |
| Replace the Toner Cartridge. |
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Print density set improperly. The higher | Set the print density to a darker level. | |
the print density setting, the more toner | Replace the high voltage power supply if | |
transferred to the drum. | this has no effect. | |
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The paper finish, conductivity, or | Try a known good source of paper from a | |
moisture content may not be suitable for | freshly opened package. Refer to the HP | |
the | LaserJet Family Paper Specifications | |
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| Guide for media specifications. |
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The transfer roller may be defective. | Replace or reseat the roller. | |
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Weak or no developer bias. If | Adjust the print density setting as shown | |
inadequate, or no developer bias is | in Chapter 3. | |
produced, toner is not attracted to the |
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image written on the drum. |
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