HP L65500 20

maintenance Hardware

4.Standing at the front of the printer, clean the front rail using a lint-free cloth dampened with isopropyl alcohol. You can access the rail from above.

NOTE: If you are in California, instead of isopropyl alcohol please use a VOC-certified cleaner such as a properly diluted 'Simple Green ® All-Purpose Cleaner'.

5.Standing at the rear of the printer, clean the rear rail in the same way. You can access the rail from below, through the gap between the platen and the pinches.

6.Wait until the rails are dry.

7.Move the carriage manually into the electrical compartment.

8.Turn the printer back on.

14 Chapter 4 Hardware maintenance

ENWW

Contents

Page Page Table of contents Page Page Page 1 Safety precautions General safety guidelines Electric shock hazard Mechanical hazard Heat hazard Warnings and cautions Warning labels Page Emergency stop buttons 2 Printer status Check printer status Printer alerts 3 Printer calibration Align the printheads Troubleshoot printhead alignment Substrate-advancecompensation Color calibration Page Ink restrictions Color profiles 4 Hardware maintenance Maintain the ink cartridges Maintain the printheads Maintain the substrates Check the printheads Clean the carriage cover Clean the carriage rails Page Clean the exterior of the printer Clean the ink deposits Clean the line sensor and aerosol inlets Clean the main roller Clean the substrate edge holders Clean the pinch wheels Clean the platen Clean the printheads Clean the substrate-advancesensor Clean the temperature sensors Maintain the printhead primers Replace the carriage oiler foams Page Replace the line sensor box Replace the printhead cleaning roll and aerosol filters Page Page Move the printer Printer maintenance kits Cleaning kit 5 Software maintenance Maintain the HP Internal Print Server Update the firmware 6 Troubleshoot substrate issues The substrate cannot be loaded successfully The substrate has jammed The substrate is not attached to the input core The substrate sticks to the platen The ink is still wet when the substrate emerges There are ink marks on the substrate 7 Troubleshoot print-qualityissues General advice Banding Print-qualityissues Colors are misaligned Colors are misaligned vertically Colors are misaligned horizontally The print is grainy The print is smudged The substrate is not flat Edges of objects are rough or blurred Colors look washed out Colors are inaccurate 8Troubleshoot ink cartridge and printhead issues Cannot insert an ink cartridge Cannot insert a printhead The front panel recommends replacing or reseating an ink cartridge The front panel recommends replacing or reseating a printhead A printhead has overheated A printhead has damaged the substrate Incorrect printhead cleaning roll errors 9 Troubleshoot other issues The printer does not print The printer seems slow The HP Internal Print Server cannot detect the printer Upgrade the HP Internal Print Server Print job files have not been properly deleted Color calibration fails 10 Front-panelerror messages Front-panelerrors Page Page 11 When you need help Documentation HP Proactive Support HP Customer Care HP Customer Care Centers Service information A Preset creation flowchart Index