HP 2700n Service Manual - Page 180
Cartridge-sensor PCA, CAUTION,
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Cartridge-sensor PCA CAUTION PCAs are sensitive to electrostatic discharge (ESD). Look for the ESD reminder when removing PCAs. Always perform service work at an ESD-protected workstation or mat. If an ESD workstation or mat is not available, ground yourself by touching the sheet-metal chassis before touching an ESD-sensitive part. Protect the ESD-sensitive parts by placing them in ESD pouches when they are out of the printer. 1. Remove the following components: ● Upper cover. See Upper cover (fuser door) on page 100. ● Rear lower cover. See Rear lower cover on page 103. ● Left cover. See Left cover on page 104. ● Right cover. See Right cover on page 107. ● Rear upper cover. See Rear upper cover on page 111. 2. Remove four screws (callout 1) and remove the sheet-metal shield (callout 2). 2 1 Figure 5-92 Remove the cartridge-sensor PCA (1 of 4) 162 Chapter 5 Removal and replacement ENWW