The two connectors at the right side of the printer are mounted on the connect
board. These connectors derive engine signals. For pin assignments, refer to
The printer automatically executes its self-diagnostic test when it is powered up
(displaying
below.
When the printer locates the error with a specific item, it calls for operator*s atten-
tion by showing the appropriate message on the operator panel display.
The diagnostic test is done on the following systems simultaneously:
Engine system (E errors)
•
Controller system (F errors)
•
Flowcharts on the following pages show the order and the items diagnosed in each
system.
NoteDiagnostic test is cancelled if one of the user-accessible covers
Self-test
is opened during the test.
Troubleshooting
Diagnostic
). The sequence and the items to be diagnosed are explained
6-6
FS-6700
Troubleshooting
Diagnostic
Engine diagnostics flow
1
Power on
2
Engine ROM cheksum
OK?
Yes
3
Fuser thermistor OK?
The heater lamp is turned on.
Yes
The scanner polygon motor revolves.
4
Polygon motor OK?
The polygon motor stops revolving.
Yes
The main motor revolves.
The eraser array turns on.
No
No
E6 - Engine ROM error
No
9
10
E4 - Fuser error
11
E2 - Polygon motor
error
5
Eraser array OK?
Yes
The eraser array turns off.
6
Main motor OK?
Yes
7
Heater temperature
OK?
The main motor turns off.
Yes
8
Engine is ready.
No
No
No
12
E5 - Eraser error
13
E1 - Main motor error
14
E4 - Heater error
FS-6700
6-7
Logic controller diagnostics flow
1
Power on
Troubleshooting
Diagnostic
2
System ROM cheksum
OK?
Yes
3
Communication
established between
engine and main
CPUs?
Yes
4
System memory OK?
Yes
No
No
No
6
F1 - System ROM error
7
E0 - Communication
error
8
F2 - System memory
error
5
Controller is ready.
For details on how to react to the results of diagnostics, refer to section Service
errors on page 6-19.
6-8
FS-6700
Troubleshooting
General error handling
6.4General error handling
Priority
Each error message has a priority over the others. Thus, if two or more error messages are given simultaneously, the error message having the highest priority is
shown. The priority is as follows (from the highest to the lowest):
Table 6. 4 Message priority
Error messageCategoryRemarks
Call service person F0 Service errorRefer to
I/F occupied—
Top cover openUser-recoverable errorIf not recovered, refer to
Paper feed unit openUser-recoverable errorIf not recovered, refer to
Side cover openUser-recoverable errorRefer to
User-recoverable errors do not normally require a service call unless the suggested
remedy does not solve them. The instructions below indicate how to respond to
problems indicated by the operator panel symbolic indicators and by the panel display.
Table 6. 5 User-recoverable errors
IndicationCorrective action
Flashing
Lit
The printer has run low on toner. The toner should
be replaced as soon as possible.
Install a new toner kit. See chapter 1.
Fast flashing
Slow flashing
Lit
ATTENTION
Side cover OpenOpen the side cover, then close tightly.
Paper feed unit OpenOpen the paper feed unit, then close tightly.
Face-down tray paper fullThe face-down tray has become full (approx. 250
Add paperAdd paper to the paper cassette or multi-purpose
Set paper/Press CONTINUECONT
Load paper papersizeThe paper size does not match. The size of the paper
Paper jamOpen the top cover or the paper feed unit and correct
Flashing
Lit
There is a paper jam. There is a possibility that
paper may be jammed at the point indicated by
flashing, open and remove any jammed paper. See
Section
The paper has run out in the paper cassette or
multi-purpose tray. Please insert paper. See Section
This indicates either the current paper feeder or the
paper output point.
The printer has insufficient memory available or the
printer is warming up (Pleasewait). Confirm the
message indicated on the message display. See Section
Note the maintenance message on the message display and consult Table
pages). Remove all printed pages from the face-down
tray. When the printer senses that the face-down
tray is empty again, it will continues printing into
the face-down tray. (Model FS-3700/+ only)
tray.
Add a sheet of paper to the multi-purpose tray (man-
ual mode), and press the CONTINUECONT key.
in the cassette is different to the size specified by the
application software or by PRESCRIBE II. Either
put paper of the specified size into the cassette. See
Section 1.4.If the CONTINUECONT key is pressed,
printing will be resumed. However, if more than one
sheet is to be printed, the same message will again
be displayed from the second sheet onward. It is also
possible to abandon printing by pressing the CANCEL key.
the paper jam (or paper mis-feeding in the cassette).
See Section
FS-6700
6-11
Table 6. 5 User-recoverable errors
IndicationCorrective action
Warning low memoryThe printer’s internal memory is running low due to
Toner low TK-20/Clean
printer
Replace Toner/Clean printer Replace the toner container using a new toner kit.
Clean printer..Press CONTINUECONT
ReplaceWaste- toner bottleReplace the old waste toner bottle with the new one
Missing Waste-toner bottleInstall the waste toner bottle. See Section ... The
Memory overflow..Press CONTINUECONT
Print overrun..Press CONTINUECONT
MEMORY CARD err/Insertagain The memory card is accidentally removed from the
Insert the same MEMORY CARD You have inserted the wrong memory card when the
Troubleshooting
User-recoverable errors
the number of fonts and macros downloaded. Print a
status page to see how much user memory is left,
and try deleting unnecessary fonts and macros. See
the PRESCRIBE II DELF and DELM commands
explanation in the programming manual (CD-ROM).
Replace the toner container using a new toner kit.
See Section
The printer does not operate when this message is
displayed. See section
Please clean the inside of the printer. See Section
...This message will be displayed when replacing the
toner container after the message ReplaceTonerCleanprinter has been displayed. After cleaning the
inside of the printer, press the CONTINUECONT
key and the printer will be ready for printing.
which is included in the TK-20/TK-20HTK-20G
toner kit. The message will also be shown if the
waste toner bottle has become full. The waste toner
bottle should be replaced when the message display
eventually shows TonerlowTK-20Cleanprinter. See
Section
printer does not operate when this message is displayed.
The total amount of data received by the printer
exceeds the printer’s internal memory. Try adding
more memory (expansion RAM). Press the CONTINUECONT key to resume printing. You can abandon
printing by the CANCEL key.
The data transferred to the printer was too complex
to print on a page. Press the CONTINUECONT key
to resume printing. (The page may break in some
pages.)You can abandon printing by the CANCEL
key.Note: After this message has been displayed,
Page protect mode will be On. To maintain optimum
use of memory during printing, display >Pageprotect from the control panel, and re-select Auto.See
the printerís userís manual.
printer’s memory card slot during reading. If you
continue reading the memory card, insert the same
memory card into the slot again. The printer again
reads it from the beginning of the data.Note: We recommend that you follow the reading procedure from
the beginning to ensure correct reading of the memory card.
Insertagain message was displayed. Remove the
wrong memory card from the printer’s memory card
slot and insert the correct memory card. The printer
again reads it from the beginning of the data.
6-12
FS-6700
Troubleshooting
User-recoverable errors
Table 6. 5 User-recoverable errors
Format error MEMORY CARDThis message appears when the printer is in the
Warning battery MEMORY CARD This message appears when the printer is in the
MEMORY CARD err/ ##..Press
CONTINUECONT
>Read fonts FailedThe amount of memory available for the fonts
I/F occupiedThis message is displayed when you attempt to use
Processing PAR FIT A4FIT (image FITting) flashes to indicate that a loss of
Processing PAR 600 A4ÍProcessing
PAR 300 A4
>Read fonts FailedThe amount of memory available for the fonts
IndicationCorrective action
ready state and the memory card is not formatted,
and therefore cannot be read or written. Follow the
procedure on Section ... to format the card.
ready state and the battery in the memory card is
low. You can still enter the memory card mode, but
the battery should be changed as soon as possible.
This message appears when an error occurs during
access to the memory card using the PRESCRIBE II
ICCD command or from the printer’s control panel
(codes 09 and 11 only). The error is indicated by one
of the numbers ## listed under the Memory card
errors which follows.
header parts of font is too small to load more fonts.
Try deleting unnecessary fonts and macros.
the printer’s control panel to change the environmental settings on the interface from which data are
presently being received.
raster data occurred when the data was compressed
to be fitted within the currently available memory.
Flashing FIT extinguishes automatically when the
job times out; the printer receives the next data from
the host computer; or if you press any key on the
printer’s control panel. Try adding more memory in
the printer to prevent this error.
Change of the resolution indicator from 600 to 300
(flashing) means that the job in 600-dpi resolution
was not able to run within the currently available
memory. The resolution reverts to 600 dpi automatically when the job times out; the printer receives the
next data from the host computer; or if you press
any key on the printer’s control panel. Try adding
more memory in the printer to prevent this error.
header parts of font is too small to load more fonts.
Try deleting unnecessary fonts and macros.
FS-6700
Memory card errors
Table 6. 6 Memory card errors
Error
code
01SRAMCard size error (An attempt was made to write data of greater
02SRAMNo memory card inserted. Insert a proper memory card.
Applicable
card type
Meaning
than 16 MB in size.). Reduce the size of the data to be written
from the host computer to 16 MB or less; or, a file name could
not be found in the memory card.
6-13
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