Xerox 3450B Service Manual - Page 67
Replace Print Cartridge (0x53) or Invalid Print Cartridge (0x55
UPC - 095205120011
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Replace Print Cartridge (0x53) or Invalid Print Cartridge (0x55) The printer's front panel displays "Replace Print Cartridge". The Print Cartridge has been replaced with the correct Xerox Print Cartridge. Printer power has been cycled and the error still appears. Troubleshooting Reference Applicable Parts Cover open interlock switch Switch actuator lever Main Board Wiring and Plug/Jack Map References "Print Engine Interconnect Diagram" on page 10-2 Troubleshooting Procedure Steps Actions and Questions Yes No 1 Is the switch actuating lever on top of the Replace Print Print Cartridge damaged? Cartridge. Go to Step 2. 2 Is the Cover Open Switch connector (CN20) properly connected to the Main Board? Go to Step 3. Reconnect CN20. 3 Use the embedded diagnostics to check Replace the Main Replace the operation of the Cover Open Switch. Does Board. Cover Open the switch operate correctly? Switch. 3-20 Phaser 3450 Laser Printer Service Manual