HP LaserJet 1010 Service Manual - Page 64

Removal and replacement strategy, Required tools, Before performing service, Print cartridge

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Removal and replacement strategy WARNING! CAUTION Detailed steps and images showing part removal are included here. Replacement is generally the reverse of removal. Occasionally, notes are included to provide directions for difficult or critical replacement procedures. Remove the power cord before attempting to service the product. If this warning is not followed, severe injury can result as well as damage to the device. Certain functional checks during troubleshooting must be performed with power supplied to the product. However, the power supply should be disconnected during removal of any parts. Sheet metal and plastic edges in the product can be sharp. Use caution when working on the product. Never operate or service the printer with the protective cover removed from the laser scanner assembly. The reflected beam, although invisible, can damage your eyes. Some parts are sensitive to electrostatic discharge (ESD). Always perform service work at an ESD-protected workstation. To install a self-tapping screw, first turn it counterclockwise to align it with the existing thread pattern, then carefully turn it clockwise to tighten. Do not overtighten. If a self-tapping screwhole becomes stripped, repair the screw-hole or replace the affected assembly. Always remove the print cartridge before removing or replacing parts. CAUTION Required tools ● #2 Phillips-head screwdriver with magnetic tip ● Small flatblade screwdriver ● Needle-nose pliers ● ESD mat Do not use a PoziDrive screwdriver or any motorized screwdriver. These can damage screws or screw threads on the product. Before performing service ● Remove all media. ● Unplug the power cable. ● Place the product on an ESD mat. ● Remove the input tray cover. ● Remove the print cartridge. CAUTION Print cartridge 1. Open the print cartridge access door on the top of the printer. 2. Remove the print cartridge. To prevent damage, do not expose the print cartridge to light. Cover it with a piece of paper. 52 Chapter 5 Removal and replacement ENWW

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Removal and replacement strategy
Detailed steps and images showing part removal are included here. Replacement is
generally the reverse of removal. Occasionally, notes are included to provide directions for
difficult or critical replacement procedures.
WARNING!
Remove the power cord before attempting to service the product. If this warning is not
followed, severe injury can result as well as damage to the device. Certain functional checks
during troubleshooting must be performed with power supplied to the product. However, the
power supply should be disconnected during removal of any parts.
Sheet metal and plastic edges in the product can be sharp. Use caution when working on the
product.
Never operate or service the printer with the protective cover removed from the laser scanner
assembly. The reflected beam, although invisible, can damage your eyes.
CAUTION
Some parts are sensitive to electrostatic discharge (ESD). Always perform service work at an
ESD-protected workstation.
To install a self-tapping screw, first turn it counterclockwise to align it with the existing thread
pattern, then carefully turn it clockwise to tighten. Do not overtighten. If a self-tapping screw-
hole becomes stripped, repair the screw-hole or replace the affected assembly.
Always remove the print cartridge before removing or replacing parts.
Required tools
●
#2 Phillips-head screwdriver with magnetic tip
●
Small flatblade screwdriver
●
Needle-nose pliers
●
ESD mat
CAUTION
Do not use a PoziDrive screwdriver or any motorized screwdriver. These can damage screws
or screw threads on the product.
Before performing service
●
Remove all media.
●
Unplug the power cable.
●
Place the product on an ESD mat.
●
Remove the input tray cover.
●
Remove the print cartridge.
Print cartridge
1.
Open the print cartridge access door on the top of the printer.
2.
Remove the print cartridge.
CAUTION
To prevent damage, do not expose the print cartridge to light. Cover it with a piece of paper.
52
Chapter 5
Removal and replacement
ENWW