HP 3500cp Service Manual - Page 218

Electronics Module Refer to figure 1A ' page 8Ć9 Removal 1. This step is ONLY to be performed if the electronics module is being REPLACED by a new electronics module. Otherwise go straight to step 2. 1. Enter Service Mode. 2. Enter Service Calibrations and go to C09 Maintenance. Record the value of the preventative maintenance number (ie the number of swaths) ' page 5Ć16. WARNING Switch off the printer and remove the power cord. 3. Locate the four TĆ10 screws (item 1) that secure the SIMM cover (item 2) to the Electronics Module. Remove three screws only and loosen the fourth. Slide the cover to the side. Note the position of the SIMMs. From left to right: D The Firmware SIMM (Flash SIMM) is held in the 1st slot (Item 3). D The Postscript Code SIMM is held in the 2nd slot (Item 4). D The DRAM SIMM(s) are held in the 3rd and 4th slot (item 5). 4. Remove the SIMMs by holding the outer nonĆmetallic edge and gently pulling towards you. Store these parts in a safe place. 5. With a flat end screwdriver, unscrew the 2 screws (item6) holding the MIO card (also known as the Jetdirect card)(item7). Lift the MIO card out and store in a safe place. 6. Remove the following: 1. Hard Disk Drive ' page 8Ć12. 2. Remove the left and right hand back covers (items 8 and 9) by releasing them from holding clips. 3. Carefully disconnect all the cables from the electronics module. 4. Remove the five (HP DesignJets 2500CP/2000CP) or eight (HP DesignJets 3500CP/3000CP) TĆ20 screws (item 10) which secure the top cover to the electronics module. 5. Remove two TĆ20 screws (item 11) which can be found at both ends of the electronics module at the bottom. 6. Loosen the two remaining TĆ20 screws (item 12). 8-6 HP DesignJet CP Series Printers Removal and Installation