HP C7769B Service Manual - Page 36
Reconnect the Trailing Cable correctly., Replace the Carriage Assembly
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System Error Codes System Error: 05:11 Problem Description: Formatter not detected. Corrective Action: Power OFF the Printer and reconnect the Formatter. System Error: 08:11 Problem Description: Front Panel cannot be detected. Corrective Action: Reconnect the Front Panel. System Error: 11:11 Problem Description: Trailing Cable badly connected. Corrective Action: Reconnect the Trailing Cable correctly. System Error: 11:13 Problem Description: Problem with setting the voltage of the Printheads. Corrective Action: Try the following: n Check that the Trailing Cable is connected correctly at both ends. n Replace the Trailing Cable ⇒ Page 8-40. n Replace the Carriage Assembly ⇒ Page 8-78. System Error: 12:11 Problem Description: A short detected in the Carriage Assembly. Corrective Action: Try the following: n Remove ALL the Printheads and clean the flex contacts on the Printheads and in the Carriage Assembly. n Replace ALL the Printheads. n Replace the Carriage Assembly ⇒ Page 8-78. 2-10 HP DesignJets 500 and 800 Series Printers Service Manual