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Troubleshooting the Printing System
7-23
RAM DISK IS
WRITE PROTECTED
The RAM disk is
protected, and no new
files can be written to it.
Disable the write
protection through
HP JetAdmin.
TRAY x EMPTY
The specified tray is
empty, but the current job
does not need this tray in
order to print correctly.
If this message appears
and the tray contains
paper, a sensor could be
damaged.
PS301 detects paper in
Tray 2.
PS401 detects paper in
Tray 1.
PS1601 detects paper in
the optional 250-sheet
feeder.
PS2001 detects paper in
the optional 500-sheet
feeder.
See figure 7-19 on page
7-92 for sensor locations.
1. Load the empty tray (
x
)
to clear the message.
If you do not load the
specified tray, the printer
will continue printing from
the next available tray, and
the message will continue
to display.
2. Inspect the tray for
damaged tabs.
3. Check Sensor Arm
Flags for damage and be
sure they move freely.
4. Replace any defective
sensors.
Table 7-5. Alphabetical Printer Messages (continued)
Control Panel
Message
Event Log
Message
Explanation Recommended
Action