HP C7769B Service Manual - Page 98
Replace the Carriage Assembly including the Belt, Apply Lubricant to the Drive Roller. - carriage belt
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Service Tests and Utilities Printer is designed to support. If the percentage is more than 100% and the Printer is experiencing problems then try the following: 1 Apply Lubricant to the Drive Roller. 2 Replace the Carriage Assembly (including the Belt) ⇒ Page 8-78. 3 Replace the Scan-Axis Motor ⇒ Page 8-29. n Paper axis usage - Number of Paper-Axis movements represented as a percentage over the maximum number of Paper-Axis movements that the Printer is designed to support. If the percentage is more than 100% and the Printer is experiencing problems then try the following: 1 Replace the Paper-Axis Motor ⇒ Page 8-84. n Service Station usage - Number of Service Station cycles represented as a percentage over the maximum number of Service Station cycles that the Printer is designed to support. If the percentage is more than 100% and the Printer is experiencing problems then try the following: 1 Replace the Service Station ⇒ Page 8-52. n Spittoon usage - Number of drops spitted into the Spittoon (on the left hand side of the Printer) represented as a percentage over the maximum number of drops allowed by the Spittoon. If the percentage is more than 100% and the Printer is experiencing problems then try the following: 1 Replace the Spittoon ⇒ Page 8-23. n Pinch-lift usage - Number of Pinch-lift cycles represented as a percentage over the maximum number of cycles that the Printer is designed to support. If the percentage is more than 100% and the Printer is experiencing problems then try the following: 1 Replace the Pinch-Lift Mechanism ⇒ Page 8-67. n Cutter usage - Number of times the Cutter has been used represented as a percentage over the maximum number of times that the Printer is designed to support. If the percentage is more than 100% and the Printer is experiencing problems then try the following: 1 Replace the Cutter Assembly ⇒ Page 8-32. n Carriage usage - Number of Printhead insertions in the Carriage stall where the most Printheads have been inserted represented as a percentage over the maximum number of Printhead insertions that the Printer is designed to support. If the percentage is more than 100% and the Printer is experiencing problems then try the following: 1 Replace the Carriage Assembly ⇒ Page 8-78. 4-28 HP DesignJets 500 and 800 Series Printers Service Manual