Sharp AM-900 Service Manual page 14

AM-900U
11. Troubleshooting
1. Display
ADD PAPER Check the printing paper. If the tray is empty, add
paper. If there is paper in the tray, make sure it is
inserted correctly (take out the stack, align the edges
evenly, and then reinsert it in the tray). Printing will
resume automatically when the output tray is
replaced.
BYPASS MISFEED The paper is not inserted correctly in the bypass tray.
Remove the paper and insert it again.
BYPASS PAPER! / Paper has been inserted in the bypass tray. If the
IF COPY, PRESS
(alternating messages)
paper has been inserted for a copy job, press
set the paper size. If the paper is for a print job, the
message can be disregarded.
COVER OPEN One or both of the print compartment covers are
open. Make sure both covers are closed.
DATE/TIME UNSET The date and time need to be set. Note
that the date and time settings will be lost if the
machine is unplugged or a power failure occurs.
DOCUMENT JAMMED The original document is jammed. See the following
section, Clearing Paper Jams. Document jams will
occur if you load more than 20 pages at once or load
documents that are too thick.
The document may also jam if the receiving machine
doesn't respond properly when you attempt to send a
fax.
DOCUMENT READY A document has been inserted in the auto document
feeder and the machine is waiting for you to begin
faxing, copying, or scanning.
DRUM LIFE OVER This appears when the drum cartridge needs
replacement.
FAX RX IN MEMORY A fax has been received in memory because the
toner cartridge needs replacement, you have run out
of printing paper, the paper is jammed, or paper is
inserted in the bypass tray. The fax will print out
automatically when the problem is fixed.
GRP. SPACE FULL This appears if you attempt to store a Group when
both Groups are already programmed.
LINE ERROR Transmission or reception was not successful. Press
the STOP key to clear the message and then try
again. If the error persists, see Line error.
MEMORY IS FULL If faxes have been received to memory because
printing is not possible (an additional message will
indicate the problem), resolve the problem so that
printing can continue (see Substitute Reception to
Memory)
If you are attempting to send a fax, see If the memory
becomes full.
If you are copying, see If MEMORY IS FULL appears.
MEMORY PRINTING The machine is preparing to or printing out a
document from memory.
NO # STORED This appears if you attempt to search for a Speed Dial
number when none have been stored.
OFF HOOK This appears when an extension phone connected to
the machine is lifted. Only
fax mode when this message appears.
OUTPUT TRAY OFF The output tray is not attached correctly. Attach it as
explained. The machine will not operate if the output
tray is not attached correctly.
PAPER JAMMED The printing paper is jammed.
REMOVE / A fax has been received to memory because paper is
BYPASS PAPER inserted in the bypass tray (faxes cannot be printed
(alternating messages) while paper is in the bypass tray). Remove the paper
from the bypass tray to allow the fax to be printed.
SET BYPASS PAPER /
SIZE: XXXX
(alternating messages; a
paper size appears in
"XXXX")
SYSTEM ERROR [XX]
(a number appears in
"XX")
(Refer to Printer error code/
Scanner error code)
A
TONER EMPTY
to
TONER NEAR EMPTY
TOTAL PAGE(S) 01
2. Audible signals
Continuous tone
Intermittent tone
(3 beeps)
Rapid intermittent
tone
3. Printer error code (Troubleshooting Refer to page 5-26 to 5-28)
SYSTEM ERROR [P1]
SYSTEM ERROR [P2]
SYSTEM ERROR [P3]
SYSTEM ERROR [P4]
SYSTEM ERROR [P5]
SYSTEM ERROR [P6]
SYSTEM ERROR [P7]
4. Scanner error code (Troubleshooting Refer to page 5-28)
SYSTEM ERROR [S1]
can be pressed in
1 – 12
Paper must be inserted in the bypass tray for a print
job or copy job that requires use of the bypass tray.
Insert the indicated size of paper in the tray.
If this message appears, unplug the power cord, wait
about 10 seconds, and then plug it back in. If the
message still appears, unplug the power cord and call
SHARP's Customer Assistance Center at at 1-877-
794-8675 (U.S.A. only).
The toner cartridge must be replaced. Printing is not
possible until the toner cartridge is replaced.
The toner cartridge is almost out of toner
(approximately 100 pages can be printed).
Number of fax pages transmitted or received.
3 seconds Indicates the end of transmission,
reception, or copying.
5 seconds Indicates incomplete transmission,
(1 second on, 1 reception, or copying.
second off)
35 seconds Indicates that an extension phone
(0.7 seconds on, connected to the machine is off hook.
0.3 seconds off)
The roller sensor could not detect its home position
after driving the pick up motor for the specified period.
The roller sensor could not become NOT-Active after
passing the specified period from picking up paper.
The printer controller detected the optical unit (LSU)
error.
The external interrupt signal for optical unit (LSU) or
High-voltage control did not become active after
passing the specified period.
Thermistor error was detected.
ROM or RAM error was detected on the printer
control unit.
High temperature error was detected.
Low temperature error was detected.
Communication error between the main controller
and the printer controller was detected.
The scanner unit could not detect change point of
home postion. (ON - > OFF or OFF - > ON)