HP Designjet 4020 and 4520 Printer Series - User's Guide: English

19 The problem is... (other topics)
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The printer's start-up process does not complete
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A front panel message
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A “printhead monitoring” message
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A “printheads are limiting performance” message
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An “on hold for paper” message [4520]
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The printer does not print
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The printer seems slow
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The application slows down or hangs up while generating the print job
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Communication failures between computer and printer
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I cannot access the Embedded Web Server from my browser
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An out-of-memory error
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An AutoCAD 2000 memory allocation error
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The platen rollers squeak
ENWW 175
Other problems