HP LaserJet 4v/mv Service Manual - Page 142

Printer Status Messages

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Printer Status Messages The following table lists printer messages and their meanings and describes recommended actions. Messages that begin with a number are listed first, followed by messages that begin with a letter. Table 7-1 Status Messages Message Numeric Listings [Blank Display] 00 READY 00 POWERSAVE 00 OFFLINE 02 WARMING UP 04 SELF TEST 05 SELF TEST 06 PRINTING TEST 06 TYPEFACE LIST Description Recommended Action Nothing displayed at power-up. Control panel display remains blank. If fans are functional on power-up: 1. Verify the input power, then check that CB101 and F101 are not open. 2. Check and reseat connector from the Control Panel to the Formatter PCA. 3. Remove any interface cables to the host. 4. Print an Engine Test to determine if the print engine is functional. If so, replace the Control Panel, then the Formatter PCA. The default ready message. The printer is ready to use. No action required. Printer is in Power Save mode. In Power Save mode all control panel keys operate normally. Press any control panel key to take printer out of Power Save mode. Receipt of data or an error condition will also take the printer out of Power Save mode. The display will read 02 WARMING UP, and the job will print when the fuser has warmed. Printer is off line and cannot receive data. Press [On Line]. The printer is warming up and is not ready to Wait until the printer signals ready. If the message accept data. remains on continuously: 1. Disconnect interface cable from the printer, power off, then on. Problem may be caused by connecting the parallel cable to a serial port, or a bad host interface. 2. Check if Fusing Assembly is warming up. If not, replace the Fusing Assembly. 3. Replace the DC Controller PCA. 4. Replace the Power Supply Unit. 5. Replace the Formatter PCA. Printing a continuous self test. Press [On Line] or [Shift] + [Continue] to stop the test. Several more pages may print. Printer self test in process (non-printing). No action required. Printing a self test. No action required. Printing a Typeface List. (Note that PCL/PostScript formats are different.) No action required. 7-6 Troubleshooting

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Printer Status Messages
The following table lists printer messages and their meanings and describes
recommended actions.
Messages that begin with a number are listed first,
followed by messages that begin with a letter.
Message
Description
Recommended Action
Numeric Listings
[Blank Display]
Nothing displayed at power-up.
Control panel
display remains blank.
If fans are functional on power-up:
1. Verify the input power, then check that CB101
and F101 are not open.
2. Check and reseat connector from the Control
Panel
to the Formatter PCA.
3. Remove any interface cables to the host.
4. Print an Engine Test to determine if the print
engine is functional.
If so, replace the Control
Panel, then the Formatter PCA.
00 READY
The default ready message.
The printer is
ready to use.
No action required.
00 POWERSAVE
Printer is in Power Save mode.
In Power
Save mode all control panel keys operate
normally.
Press any control panel key to take printer out of
Power Save mode.
Receipt of data or an error
condition will also take the printer out of Power
Save mode.
The display will read 02 WARMING
UP, and the job will print when the fuser has
warmed.
00 OFFLINE
Printer is off line and cannot receive data.
Press
[On°Line]
.
02 WARMING UP
The printer is warming up and is not ready to
accept data.
Wait until the printer signals ready.
If the message
remains on continuously:
1. Disconnect interface cable from the printer,
power off, then on. Problem may be caused by
connecting the parallel cable to a serial port, or a
bad host interface.
2. Check if Fusing Assembly is warming up.
If not,
replace the Fusing Assembly.
3. Replace the DC Controller PCA.
4. Replace the Power Supply Unit.
5. Replace the Formatter PCA.
04 SELF TEST
Printing a continuous self test.
Press
[On°Line]
or
[Shift]
+
[Continue]
to stop the
test.
Several more pages may print.
05 SELF TEST
Printer self test in process (non-printing).
No action required.
06 PRINTING TEST
Printing a self test.
No action required.
06 TYPEFACE LIST
Printing a Typeface List. (Note that
PCL/PostScript formats are different.)
No action required.
Table 7-1
Status Messages
7-6 Troubleshooting