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HP LaserJet Quick Reference Service Manual Page 216

Volume i.
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User manual - 449 pages
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Software manual - 418 pages


HP has completed testing and recently made available a
revised formatter assembly. This new 8.5 version firmware will restore
the above 79 Service Error and the sub-codes listed. This new firmware
will not correct any MIO resets or NVRAM resets that cause the page
count, serial number, firmware number, or default paper size to reset.
We are aware of this issue and expect to have a solution in the very
near future. In addition to the 79 Service Error, the following issues have
been corrected:
1 The printer hangs if printing while the printer is in PowerSave mode
after a power cycle reset.
2 The printer hangs in "Processing Job" when printing a PostScript
duplex job and the source paper tray runs out of paper before the job
is finished.
3 The PostScript configuration page hangs the printer if an error TRAY
2 EMPTY is displayed on the front panel.
4 79 Service (81ee) when printing a Harvard graphics file.
5 79 Service (8101). Send down a PCL macro and print any other
6 Internal test hangs when turning printer on.
7 Bug would not allow selection of the pitch size for a permanent soft
8 79 Service (8108) when de-allocating a Hewlett-Packard graphics
language (HPGL) global symbol set.
9 20 Memory Overflow problem.
214 – Summary of service notes and technical tips


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