Jam Recover - Sharp JX-8200 Service Manual

Color laser printer
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SHARP SERVICE MANUAL JX8200SM [11] TROUBLESHOOTING
LED and SWITCH Status of Error
MESSAGE
ERROR
SERVICE (S1 - S9)
BL
SERVICE (C1 - C7)
BL
SERVICE (E4 - E6)
BL
SERVICE (P1 - P4)
BL
ADD TONER toner
ON
(type)
REPL (supply)
ON
PRN LIFEOVER
ON
COVER OPEN
ON
PAPER JAM (place)
ON
PAPER OUT (type)
ON
REPLACE
ON
PCDRUM/DV UNIT
PARALLEL ERROR
ON
SERIAL ERROR
ON
NETWORK ERROR
ON
LOCALTALK ERROR
ON
DATA LOSS ERROR
ON
MEM OVERFULL
ON
NEAR END SUPPLY
OFF
-- State before error occurs is kept.
-
Disable Key Operation
+ Enable Key Operation

2. Jam Recover

To ensure high speed printing, when the paper is passing through the
fusing section (fusing is not completed), the machine becomes ready
to receive the next print image data (two or more originals) con-
tinuously. (Jam recover OFF) Because of this, when the paper has
passed the fusing section (fusing is not completed), the image data in
the printer frame buffer which is passing the fusing section is cleared.
When, therefore, a paper jam occurs while the paper is passing the
fusing section (fusing is not completed), the image data of that page
is cleared. After removing the jam, the image data of the page which
was not fused is sent again to be printed.
On the other hand, when the jam recover is set to ON, the image data
clear timing in the printer frame buffer is delayed.
The page image data in the printer frame buffer is cleared after the
paper has passed the fusing section (fusing is not completed).
When, therefore, a paper jam occurs while the paper is passing the
fusing section, the page image data is not cleared.
When the jam is removed, therefore, the page image date remained
in the printer frame buffer is printed.
In conclusion, when the jam recover is set to ON, the recovery time
from a paper jam becomes short but printing speed of continuous
data becomes low.
LED
SUPPLY
DATA
LINE
LINE
BL
BL
BL
BL
BL
BL
BL
BL
BL
BL
BL
BL
ON
--
OFF
ON
--
OFF
ON
--
OFF
OFF
--
OFF
OFF
--
OFF
OFF
--
OFF
OFF
--
OFF
--
--
OFF
--
--
OFF
--
--
OFF
--
--
OFF
--
--
ON
--
--
OFF
ON
--
ON
11 – 20
SWITCH
FF
RESET
MENU
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+
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+
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+
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+
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+
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JAM RECOVER OPERATION
Present page
BL
Print image data
(PCU to Engine)
J,R (OFF)
Image data clear
(Frame Buffer)
J,R (OFF)
Print image data
(PCU to Engine)
J,R (ON)
Image duta clear
J,R (ON)
Paper end edge position
Image data in the frame buffer
J,R (OFF)
J,R (ON)
Present page data
ITEM
UP
DOWN
ENTER
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Next page
C
M
Y
BL
T
T
Finished yellow image transfer
from OPC drum paper
Passed Fusing Roller
Clear
Next page data
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