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Control panel message Description Recommended action
21 PAGE TOO COMPLEX
alternates with
To continue press
The page-compression process is too slow
for the printer. Some data may be lost on
the page.
1.
Press
to see step-by-step
information.
2. To print the job with some data loss,
press
to exit the message, and then
press
. If data is lost, simplify the
page content to reduce its complexity.
3.
To exit, press
.
22 EIO X BUFFER OVERFLOW
alternates with
To continue press
For printers with an EIO device only.
The printer EIO card in slot X has
overflowed its I/O buffer during a busy state.
1.
Press
to continue printing.
NOTE Data will be lost.
2. If the message persists, contact
HP Support.
22 EMBEDDED I/O BUFFER OVERFLOW
The embedded HP Jetdirect print server
buffer has overflowed during a busy state.
1.
Press
to continue printing.
NOTE A loss of data will
occur.
2. If the message persists, contact
HP Support.
22 PARALLEL I/O BUFFER OVERFLOW
alternates with
To continue press
The printer parallel buffer has overflowed
during a busy state.
1.
Press
to continue printing.
NOTE Data will be lost.
2. If the message persists after exiting
Help, contact HP Support.
22 SERIAL I/O BUFFER OVERFLOW
alternates with
To continue press
The printer serial buffer has overflowed
during a busy state.
1.
Press
to continue printing.
NOTE Data will be lost.
2. If the message persists, contact
HP Support.
22 USB I/O BUFFER OVERFLOW
alternates with
To continue press
The printer's USB buffer has overflowed
during a busy state.
1.
Press
to continue printing.
NOTE Data will be lost.
2. If the message persists, contact
HP Support.
40 BAD SERIAL TRANSMISSION
alternates with
To continue press
A serial data error (parity, framing, or line
overrun) has occurred while the printer was
receiving data.
1.
Press
to continue printing.
NOTE Data will be lost.
2. If the message persists, contact
HP Support.
ENWW Control-panel messages 129