Code :

Code: 55
Display: 55
Description: On this is due to the DC controller not receiving the proper information upon startup. Check the connectors on the DC controller and power supply. If you don't hear the motor immediately and you don't have a paper jam, change the power supply.

Code: 57
Display: 57
Description: (X=2, 3 or 4) Fan motor faulty, check fan number X or duplexor fan and replace as necessary
57.1 Gears siezed, faulty top cover switch, faulty AC interlock switch, J010 loose or faulty, bad main motor PCA

Code: 58
Display: 58
Description: Error 58.1 & 58.2 Improperly seated paper cassette
58.1/58.2 Paper cassette is impoperly inserted
58.X Tray/Lifter Malfunction if X=1: Tray 2 lifter, X=2: Tray 3 lifter, X=3: Tray 1 lifter, X=4: Tray 4 lifter Press SELECT to continue

Code: 59
Display: 59
Description: Add Memory
Not enough memory for PostScript option. Verify SIMM's are seated properly, replace any defective
59.X Main motor malfunciton X=1: Main motor startup failure, X=2: Main motor rotation failure

Code: 62.X
Display: 62.X
Description: 62.0 Service, 62.1-4 Service, 62.5 Service, 62.6 Service All Printers
1. Improperly seated SIMMs or font cartridge - remove, check/clean contacts re-install and try again. Try with SIMMs or font cartridge removed to be sure error clears.
2. Defective Internal Memory - Replace Formatter PCA, check all cables first!

Code: 67
Display: 67
Description: Defective formatter PCA
This could be a temporary error which can be corrected by cycling the power
Can be caused by field replaceable units (FRU's) not installed correctly. Check and reinstall.

Code: 79
Display: 79
Description: Software/drivers, Memory PCA's, Font-Macro-Personality Cartridges, option I/O Cards. Defective toner cartridge in the Laserjet 4 Plus only. Remove any accessories (font cartridges, memory PCA's, SIMMs, etc.) plugged into the formatter card and try again. If the problem persists and is application specific, verify proper setup with application vendor.
Defective Formatter PCA - Replace with known operational board and try again.

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