HP LaserJet 4L - Page 219

Troubleshooting
Printer Error Troubleshooting
Table 7-14 Fan Error
m Dis,lavPanel
●
LaserJet 4P/4MP
Description & Recommendations
Ready, Data
and Error lights
are on and all
others are off,
,.
58 SERVICE
1. Power-cycle the printer.
2. Check the fan to determine if it is
blocked from operation.
3. Reseat the fan connector on the
Laser/Scanner Assembly.
4, Replace the Fan.
5. Replace the Laser/Scanner Assembly.
6. Replace the DC Controller.
7, Replace the connector between the
Scanner and DC Controller.
Table 7-15 Formatter Error
LaserJet
LaserJet 4P/4MP
4L/4ML LEDs
Display Panel
Description & Recommendations
D
f=
61-67 SERVICE
1. Power-cycle the printer.
~m
70-71 ERROR
2. Replace the Formatter PCA.
am
72-79 SERVICE
on
Error light is off;
the other lights
display some
pattern (not oth-
erwise shown
in this table).
7-16