HP LaserJet 4 Service Manual - Page 224

Note Access the Interconnect PCA Housing by laying the printer on the rear of the printer chassis. Figure 6-59 Interconnect PCA latches and AC Connector Mounting Pins 4 Disconnect the Interconnect Cable connector from the DC Controller (J210 on LJ4, J213 on LJ4+/5). Remove the cable from its retainer. 5 Release the bottom or rear-most latch (see Figure 6-59), callout 1) holding the arm of the Interconnect PCA housing to the sheet metal. 6 Rotate the bottom (rear) of the PCA housing up (toward the front) to release the housing from the printer. (continued on next page) 6-70 Removal and Replacement