Toshiba Estudio 162 Owners Manual

							e-STUDIO162/162D/151/151D  DISASSEMBLY AND ASSEMBLY  8 - 18
8. Power section
A. List
B. Disassembly procedure
1) Disconnect each connector.
2) Remove the screw, and remove the earth line.
3) Remove two screws, and remove the power PWB unit.
Caution: Be careful not to touch the sharp edge on the circumference
of the metal frame for the power supply.
C. Assembly procedure
For assembly, reverse the disassembly procedure.
9.Duplex motor section (Duplex model only)
A. List
B. Disassembly procedure
1) Remove the rear cabinet.
2) Remove two screws.
3) Remove the Duplex motor cover.
4) Remove the Duplex motor.
Note: When reassembling, be sure to engage the Duplex motor gear
with the belt on the main body side.
C. Assembly procedure
For assembly, reverse the disassembly procedure.
10. Reverse roller section (Duplex model 
only)
A. List
B. Disassembly procedure
1) Remove four screws
2) Remove the spring, and the earth wire
3) Remove the reverse unit.
4) Bend the reverse roller and remove it.
C. Assembly procedure
For assembly, reverse the disassembly procedure. No. Part name Ref.
1 Power PWB
No. Part name Ref.
1 Duplex motor
1)1)1)1)
2)
3)
4)
4)5)
1)
1
23
1
No. Part name Ref.
1 Reverse roller
1 2
3
1
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							e-STUDIO162/162D/151/151D ADJUSTMENTS  9 - 1
[9] ADJUSTMENTS
1. Optical section
A. Copy magnification ratio adjustment
The copy magnification ratio must be adjusted in the main scanning
direction and in the sub scanning direction. To adjust, use TC 48-01.
(1) Outline
The main scanning (front/rear) direction magnification ratio adjustment
is made manually.
The adjustment is made by manual key operations. (The zoom data
register set value is changed for adjustment.)
The magnification ratio in the sub scanning direction is adjusted by
changing the carriage (scanner) scanning speed.
(2) Main scanning/sub scanning direction magnification 
ratio adjustment
a. Cases when the adjustment is required
1) When the main PWB is replaced.
2) When the EEPROM in the main PWB is replaced.
3) When U2 trouble occurs.
4) When repairing or replacing the optical section.
b. Necessary tools
•Scale
c. Main scanning direction adjustment procedure
1) Set the scale vertically on the document table. (Use a long scale
for precise adjustment.)
2) Set the copy magnification ratio to 100%.
3) Make a copy on A4 or 81/2 x 11 paper.
4) Measure the length of the copied scale image.5) Calculate the main scanning direction magnification ratio. 
Main scanning direction magnification ratio
6) Check that the copy magnification ratio is within the specified
range. If it is not within the specified range, perform the following
procedures.
7) Execute TC 48-01 to select the main scanning direction copy
magnification ratio adjustment mode.
To select the adjustment mode, use the [
←/→] key.
8) Enter the new set value of main scanning direction copy
magnification ratio with the copy quantity set key, and press the
[START] key.
9) Change the set value and repeat the adjustment until the ratio is
within the specified range.
When the set value is changed by 1, the magnification ratio is
changed by 0.1%.
d. Sub scanning direction adjustment procedure
1) Set the scale on the document table as shown below. (Use a long
scale for precise adjustment.)
=Copy image dimensions
X 100 (%)
Original dimension
ModeDisplay 
itemDefault 
valueLED
Main scan direction 
magnification ratioF-R 50 PRINT mode lamp
OC mode sub scan 
direction magnification ratioSCAN 50 SCAN mode lamp
100 110 120130150140mm
1/2mmJAPANHARDENED
STAINLESS
Shizuoka
100110120130150140mm
1/2mmJAPANHARDENED
STAINLESS
Shi zuoka
110
10 20
1020
(When a 100mm scale is used as the original.)
Paper feed
direction
ReferenceComparison pointOriginal (Scale)
Copy
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							e-STUDIO162/162D/151/151D ADJUSTMENTS  9 - 2 2) Set the copy magnification ratio to 100%.
3) Make a copy on A4 or 81/2 x 11 paper.
4) Measure the length of the copied scale image.
5) Calculate the sub scanning direction copy magnification ratio
using the formula below.
6) Check that the actual copy magnification ratio is within the
specified range. (100 ± 1.0%).
If it is not within the specified range, perform the following
procedures.
7) Execute TC 48-01 to select the sub scanning direction copy
magnification ratio adjustment mode.
To select the adjustment mode, use the [
←/→] key. (SCAN mode
lamp ON)
8) Enter the new set value of sub scanning direction copy
magnification ratio with the copy quantity set key, and press the
[START] key.
Repeat procedures 1) - 8) until the sub scanning direction actual copy
magnification ratio in 100% copying is within the specified range.
When the set value is changed by 1, the magnification ration is
changed by 0.1%.
B. Image position adjustment
The employed test commands and the contents are as follows:The modes can be selected by pressing [
←/→] key.
(*): Support for the installation models. For non-installation models,
skip.
* In the 2nd print center offset adjustment, print is made forcibly as
1to2/Long Edge from OC regardless of duplex setting.
(1) Lead edge adjustment
1) Set a scale to the center of the paper lead edge guide as shown
below, and cover it with B4 or 8 1/2 x 14 paper or OC cover.
2) Execute TC 50 - 01
3) Set the print start position (A: COPY mode lamp ON), the lead
edge void amount (B: PRINT mode lamp ON), the scan start posi-
tion (C: SCAN mode lamp) to 1, and make a copy of the scale at
100%.
4) Measure the image loss (Rmm) of the scale.
Set C = 10 x R (mm). (Example: Set to 40.)
When the value of C is increased by 10, the image loss is
decreased by 1mm. (Default: 50)
5) Measure the distance (Hmm) from the paper lead edge to the
image print start position.
Set A = 10 x H (mm). (Example: Set to 50.)
When the value of A is increased by 10, the image lead edge is
moved to the paper lead edge by 1mm. (Default: 50).
6) Set the lead edge void amount to B = 50 (2.5mm). (Default: 50)
When the value of B is increased by 10, the void is extended by
about 0.1mm. (For 25 or less, however, the void amount is
regarded as 0.)
* The ADF adjustment is made by adjusting the ADF image scan start
position after OC adjustment. =Copy image dimensions
X 100 (%)
Original dimension
ModeDisplay 
itemDefault LED TC
Print start position 
(Main cassette paper 
feed)TRAY1 50 COPY mode lamp
Main cassette 
lamp
50-01 (*) Print start position 
(2nd cassette paper 
feed)TRAY2 50 COPY mode lamp
2nd cassette lamp
Print start position 
(Manual paper feed)MFT 50 COPY mode lamp
Manual feed lamp
Image lead edge void 
amountDEN-A 50 PRINT mode lamp
Image scan start 
position RRC-A 50 SCAN mode lamp
Image rear edge void 
amountDEN-B 50 COPY mode lamp
PRINT mode lamp
SCAN mode lamp
100110 120130150140mm
1/2mmJAPANHARDDENCD
STAINLESS
Shizuoka
100110 120130150140mm
1/2mmJAPANHARDDENCD
STAINLESS
Shi zuoka
110
1020
10 20
Original (Scale)
Paper feed
direction
ReferenceComparison point
Copy
ModeDisplay 
itemDefault LED TC
Print center offset 
(Main cassette paper 
feed)TRAY1 50 COPY mode lamp
Main cassette lamp
50-10 (*) Print center offset 
(2nd cassette paper 
feed)TRAY2 50 COPY mode lamp
2nd cassette lamp
Print center offset 
(Manual paper feed)MFT 50 COPY mode lamp
Manual feed lamp
2nd print center 
offset (Main cassette 
paper feed) SIDE2 50 PRINT mode lamp
Main cassette lamp
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							e-STUDIO162/162D/151/151D ADJUSTMENTS  9 - 3 (Example)
(2) Image rear edge void amount adjustment
1) Set a scale to the rear edge section of A4 or 11 x 8 1/2 paper size
as shown in the figure below, and cover it with B4 or 8 1/2 x 14
paper.
2) Execute TC 50 - 01 to select the image rear edge void amount
adjustment mode.
The set adjustment value is displayed on the copy quantity display.
3) Make a copy and measure the void amount of image rear edge.
4) If the measurement value is out of the specified range, change the
set value and repeat the adjustment procedure.
The default value is 50.
(3) Center offset adjustment
1) Set the self-made test chart for the center position adjustment so
that its center line is aligned with the center mark of the document
guide.
•Test chart for the center position adjustment.
Draw a line at the center of A4 or 8 1/2 x 11 paper in the paper
transport direction.2) Execute TC 50-10 to select the print center offset (cassette paper
feed) adjustment mode.
The set adjustment value is displayed on the copy quantity display.
3) Make a copy and check that the copied center line is properly
positioned.
The standard value is 0 ±2mm from the paper center.
4) If the measured value is out of the specified range, change the set
value and repeat the adjustment procedure.
When the set value is increased by 1, the copy image is shifted by
0.1mm toward the rear frame.
•For the manual paper feed, change the manual paper feed
adjustment mode and perform the similar procedures.
•Since the document center offset is automatically adjusted by the
CCD which scan the reference lines (F/R) on the back of document
guide, there is no need to adjust manually.
2. Copy density adjustment
A. Copy density adjustment timing
The copy density adjustment must be performed in the following cases:
•When maintenance is performed.
•When the developing bias/grid bias voltage is adjusted.
•When the optical section is cleaned.
•When a part in the optical section is replaced.
•When the optical section is disassembled.
•When the OPC drum is replaced.
•When the main control PWB is replaced.
•When the EEPROM on the main control PWB is replaced.
•When the memory trouble (U2) occurs.
B. Note for copy density adjustment
1) Arrangement before execution of the copy density adjustment
•Clean the optical section.
•Clean or replace the charger wire.
•Check that the voltage at the high voltage section and the
developing bias voltage are in the specified range.
5mm
10mm
Distance from the paper lead edge 
to the image lead edge, H = 5mm
Image loss, R = 4mm
B4 or 8 1/2″ × 14″ paper
A4 size rear edge
Scale image
Paper rear edge Void amount (Standard value: 2 - 3mm)
Document guide
(Copy A)
(Copy B)2.0mm or less
2.0mm or less
Copy image
Copy paper
folding line
Copy image
Copy paper
folding line Shift
Shift
(Paper feed direction)
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							e-STUDIO162/162D/151/151D  ADJUSTMENTS  9 - 4
C. Necessary tool for copy density adjustment
• One of the following test charts:
KODAK GRAY SCALE
 B4 (14 x 8 1/2) white paper
 The user program AE setting should be 3.
Test chart comparison table
D. Features of copy density adjustment
For the copy density adjustment, the image data shift function provided
in the image process LSI is used.
List of the adjustment modes
E. Copy density adjustment procedure
The copy density can be adjusted in 300dpi or in 600dpi.
For selection of modes, use the copy mode select key.
(1) Test chart (UKOG-0162FCZZ) setting
1) Place the test chart so that its edge is aligned with the A4 (Letter)
reference line on the document table. Then place a A4 (14 x 
8 1/2) white paper on the test chart and close the document cover.
(2) Perform the adjustment in each mode.
1) Execute TC 46-01 (300dpi). To adjust in 600dpi, execute TC 46-
02. 
2) Select the mode to be adjusted with the exposure mode select key.
Set the exposure level to 3 (center) for all adjustment. (Except for
the auto mode.)
(e-STUDIO151/151D (Europe))
(e-STUDIO162/162D)
3) Make a copy.
Check the adjustment level (shown in the above table) of the
exposure test chart (TOSHIBA Gray Scale).
(When too bright): Decrease the value displayed on the copy quantity
display.
(When too dark): Increase the value displayed on the copy quantity
display.
* The value can be set in the range of 1 - 99. KODAK
 GRAY
 SCALE123419A
Auto Mode Brightness 1 step only
Manual Mode Brightness 5 steps. Adjustment of only the center 
brightness is made.
Photo Mode Brightness 5 steps. Adjustment of only the center 
brightness is made.
Manual T/S 
modeBrightness 5 steps. Adjustment of only the center 
brightness is made.
T/S Auto mode Brightness 1 step only
Main code Sub code Resolution for copy density adjustment
4601 300dpi
02 600dpi
White paper
Test chartTest chart
Adjustment 
modeDisplay 
itemLEDTOSHIBA gray 
chart adjustment 
level
Auto mode AE COPY mode lamp 3 is slightly 
copied.
Text mode TEXT PRINT mode lamp 3 is slightly 
copied.
Photo mode PHOTO SCAN mode lamp 3 is slightly 
copied.
Text T/S mode TSTXT PRINT mode lamp
SCAN  mode lamp3 is slightly 
copied.
Auto T/S mode TSAE COPY mode lamp
SCAN  mode lamp3 is slightly 
copied.
(2) Mode select key
TEXT
     | | | | |(1) Exposure mode, level display
112222111,2,3,
1,2,3,SP. FUNCAUTOZOOMOK
(2) Mode select key
TEXT
     | | | | |(1) Exposure mode, level display
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							e-STUDIO162/162D/151/151D  ADJUSTMENTS  9 - 5
3. High voltage adjustment
A. Main charger (Grid bias)
Note:
• Use a digital multi meter with internal resistance of 10M
Ω or more
measurement.
 After adjusting the grid LOW output, adjust the HIGH output. Do not
reverse the sequence.
Procedures
1) Set the digital multi meter range to DC700V.
2) Set the positive side of the test rod to the connector CN11-3
(GRID) of high voltage section of the power PWB and set the
negative side to the frame ground (power frame).
3) Execute TC 8-02. (The main charger output is supplied for 30 sec
in the grid voltage HIGH output mode.)
4) Adjust the control volume (VRG1) so that the output voltage is 580
±12V.
B. DV bias check
Procedures
1) Set the digital multi meter range to DC500V.
2) Set the positive side of the test rod to the connector CN-10-1 (DV
BIAS) and set the negative side to the frame ground (power
frame).
3) Execute TC 25-01 to output the developing bias for 30sec, and
check that the output is –400±8V.
4. Duplex adjustment (With optional RADF 
installed)
A. Adjusting the paper reverse position in memory 
for duplex copying
This step adjusts the front surface printing (odd-number pages of a
document set) in the S-D mode copying and the leading edge position
of an image on even-number pages in the D-S mode.
That is, it covers the adjustment of the second surface printing mode
(image loss at the front edge of an image) in which image data is once
stored in memory.
The image data is read, starting from its front end in the document
delivery direction (Reference direction of document setting in the OC
mode)and stored in memory.
This stored image data is printed starting at the printing start position,
in the order of last-stored data to the first-stored data.
In other words, the front edge image loss of the image can be adjusted
by changing the document read end position.
(Adjustment procedure)
1) Preparing test chart (Draw a scale at the rear end of one side of a
sheet of A4 white paper or letter paper)
2) Set the test chart so that the scale is positioned as shown below, in
the S-D mode and the D-S mode.
3) Execute test command 50-18.
Select the ADF memory reverse output position, and press
[START] key to make a copy.
Adjust the setting so that the front edge image loss is less than 4.0
mm in the R-ADF mode.
An increase of 1 in setting represents an increase of 0.1 mm in
image loss. Note:  A digital multi meter with internal resistance of 1G
Ω must be
use for correct check.
 The adjustment volume is locked, and no adjustment can be
made.
VRG1
Caution:
Be careful not to touch the sharp
edge on the circumference of the
metal frame for the power supply.
VRDV
Caution:
Be careful not to touch the sharp
edge on the circumference of the
metal frame for the power supply.ModeDisplay 
itemDefault LED
OC memory reverse 
output position OC 50 COPY mode lamp
ADF memory reverse 
output positionADF 50 PRINT mode lamp
510
Scale (S-D mode) Scale (D-S mode)
510
The front edge of the
scale on test chart Front edge of paper
Void area
less than 4 mm
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							e-STUDIO162/162D/151/151D ADJUSTMENTS  9 - 6
B. Adjusting trailing edge void in duplex copy mode
This is the adjustment of the first surface printing mode (rear end void)
in duplex copying.
In a duplex copying operation, the paper is delivered starting from the
rear end of the first printing surface. It is therefore necessary to make a
void area at the rear end on the first printing surface to prevent paper
jam at the fusing part.
There are two adjustment modes:
1) Image cut rear end void quantity (R-ADF) 50-19 (SCAN mode
lamp)
The size (length) of a document read from the R-ADF is detected,
the image at the trailing edge of the first printing surface is cut to
make a void area. (The adjustment of void quantity at the time
when the cassette paper size is not recognized.)
2) Paper trailing edge void quantity 50-19 (PRINT mode lamp)
This adjustment is made when the cassette paper size is
recognized. The trailing edge void quantity can be adjusted by
changing the trailing edge image laser OFF timing.
The paper void quantity should be first adjusted before the image cut
trailing edge void quantity (R-ADF) is adjusted.
The adjustment modes can be selected by pressing [
←/→] key.
(Adjustment range; 1 – 99)
Enter the adjustment value and press [START] key to save the set
value and make a copy. (The paper information is cleared for every
copy.)
When the set value is increased by 1, the void amount is increased by
about 0.1mm.
* The initial value of duplex setting is 2to2.
(Adjustment procedure)
(1) Paper trailing edge void quantity
1) Preparing test chart (Draw a scale at the rear end of one side of a
sheet of A/4 white paper or letter paper)2) Set the test chart on the document glass as shown below.
3) Execute test command 50-19 to turn on the PRINT mode lamp and
make the printing mode in OC-D mode.
Make a copy of the test chart to check the void area of the scale on
the image.
Adjust the setting so that the void area is 4 - 5 mm. An increase in 1 of
setting represents 0.1 mm in void area.
(2) Image cut trailing edge void quantity (R-ADF)
1) Set the test chart so that the scale is positioned as shown below.
2) Execute test command 50-19 to turn on the SCAN mode lamp(on
the operation panel) and make the printing mode in the D-D mode.
3) Remove and reinsert the cassette.
Note: Make sure to carry out this step before making a copy during
this adjustment.
4) Make a copy and check the void area of the scale on the image.
Adjust the setting so that the void area is 2 - 4 mm. An increase of
1 in setting represents an increase of 0.1 mm in void area.
l Void position to be checked ModeDisplay 
itemDefault LED
Paper rear edge void 
amountDEN-B 50 PRINT mode lamp
Print start position (Duplex 
back surface)RRC-D 50 SCAN mode lamp
2nd printing surface where scale is printed (lower side)
Document guideThe trailing edge has a scale
Table glass
The trailing edge void on the first printing surface
 is shown above. Paper Void position to be check
Scale (D-D mode)
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							e-STUDIO162/162D/151/151D  ADJUSTMENTS  9 - 7
5. ADF (RADF) scan position automatic 
adjustment (With optional ADF/RADF 
installed)
Place a black chart so that it covers the ADF scan glass and the OC
glass together, and close the OC cover.
When test command 53-08 is executed, the current adjustment value
is displayed as the initial display.
* Default is 1. Adjustment range is 1 – 99. Adjustment unit 1 = about
0.127mm
* If the values are kept as the default values, ADF scan is not per-
formed properly. The front area of the proper scan position may be
scanned.
In case of AUTO, press [START] key, and the mirror unit scans from
the home position to the ADF scan position with the adjustment value
displayed. The ADF glass cover edge position is calculated from the
difference between the SPFG glass cover edge and the OC side
document glass CCD output level. If the adjustment is normal, the
adjusted value is displayed. If abnormal, the error LED lights up with
the current set value displayed. 
During the error LED is lighted, when [START] key is pressed again,
execution is performed again.
Operation
The operation is similar to test command 46-01.  (In MANUAL)
OK/ERR display in AUTO
* Use a black chart or prepare a chart as shown below.
Chart size: 300 x 100, prepared with cutting sheet No. 791 (Black) or
an equivalent one.
6. RADF (ADF) mode sub scanning 
direction magnification ratio adjustment 
(With optional ADF/RADF installed)
Note : Before performing this adjustment, be sure to check that the OC
mode adjustment in copying has been completed.
1) Put a scale on the original table as shown below, and make a
normal copy (100%) on the front and the back surfaces to make a
test chart. 
Note :Since the printed copy is used as a test chart, put the scale in
paralled with the edge lines.
2) Set the test chart  on the RADF and make a duplex copy (D-D or
D-S) in the normal ratio (100%).
3) Compare the scale image and the actual image.
If necessary, perform the following adjustment procedures.
4) Execute TC 48-05.
5) The current front surface sub scanning direction magnification ratio
correction value is displayed in two digits on the display section.
To select SIDE1 and SIDE2, use [
←/→] keys.
6) Enter the set value and press the start key.
When adjusting the RADF, use [2-SIDED COPY] key to select
single/duplex after entering the one page print mode, performing 2-
page single copy.
* When there is no document in ADF, copy is inhibited.

ModeDisplay 
itemDefault LED
ADF scan position auto 
adjustment AUTO 1 COPY mode lamp
ADF scan position manual 
adjustment MANU 1 PRINT mode lamp
Reason: To prevent erroneous detection by disturbing light of a
fluorescent lamp, etc. 
 
53-08 ADF AUTO
AUTO  100% **    OK
53-08 ADF AUTO
AUTO  100% **    ERR
6cm or more is required.
ModeDisplay 
itemDefault LED
Sub scan magnification ratio 
adjustment on the surface of ADF/
RADF document SIDE1 50 COPY 
mode lamp
Sub scan magnification ratio 
adjustment on the surface of 
RADF documentSIDE2 50 PRINT 
mode lamp
Adjustment 
modeSpec value TC Set valueSetting 
range
Sub scanning 
direction 
magnification 
ratio (ADF/RADF 
mode)At normal: 
±1.0%48-5 Add 1: 
0.1% increase
Reduce 1: 0.1% 
decrease1 – 99
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							e-STUDIO162/162D/151/151D  ADJUSTMENTS  9 - 8
7. Automatic black level correction
a. Cases when the adjustment is required
1) When the main PWB is replaced.
2) When the EEPROM in the main PWB is replaced.
3) When U2 trouble occurs.
4) When repairing or replacing the optical section.
b. Adjustment procedure
Used to acquire the black level target value used for the black level
adjustment of white balance. 
When test command 63-02 is executed, the current correction value is
displayed in 3 digits of 12bit hexadecimal number. 
Place the gray gradation chart used as the correction document so that
the density 10 (black side) comes on the left side and that the chart is
upside down at the center of the plate left center.
When [OK (ENTER)/START] key is pressed, the mirror base unit
scans the chart and calculates the correction value.
After completion of correction, the corrected value is displayed on the
LCD.
* Default: 0
* If the value is set to the default, operation is made with 0x60.
c. Operation
1) Initial display
2) [OK (ENTER)/START] Correction start

After canceling, the machine goes into the sub code entry standby
mode. 
3) After execution
3) In case of an error63-02 BLACK LEVEL
               0
63-02 BLACK LEVEL
EXECUTING...
THE JOB IS BEING
CANCELED.
63-02 BLACK LEVEL
             *** OK 
63-02 BLACK LEVEL
             *** ERR
Chart back surface 
10
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							e-STUDIO162/162D/151/151D  TEST COMMAND, TROUBLE CODES  10 - 1
[10] TEST COMMAND, TROUBLE CODES
1. Entering the test command mode
To enter the serviceman test command mode, press the keys as follows:
[#] key 
→ [*] key → [C] key → [*] key
To cancel the test command mode, press the [CA] key.
2. Key rule
3. List of test commands
[10KEY]: Entry of MAIN CODE/SUB CODE
Selection of an item
Setup of an adjustment value in case of test commands for adjustment
[
←/→]: Selection of MAIN CODE/SUB CODE 
Selection of an item
[OK (ENTER)/START]: Settlement

[OK (ENTER)]: Settlement (Without print)
[START]: Settlement/Print
[C]: (Interrupting operation check) Returns to the upper hierarchy.
In case of test command of operation check, terminates the operations.
[CA]: Exits from the test command mode.
For a test command of adjustment, the display returns to the initial display (00-00).
Main 
codeSub 
codeContents
1 01 Mirror scan (SCAN CHK)
02 Mirror home position sensor (MHPS) status display 
(MHP-SENSOR)
06 Mirror scan aging (SCAN AGING)
2 01 Single Paper Feeder (ADF) aging (ADF AGING) 
(Disabled when set to OC) (Executable only when the 
ADF is installed.)
02 ADF sensor status display (ADF SENSOR) (Disabled 
when set to OC) (Executable only when the ADF is 
installed.)
03 ADF motor operation check (ADF MOTOR CHK) 
(Disabled when set to OC) (Executable only when the 
ADF is installed.)
06 RADF resist clutch operation check (RADF RES.CHK)
(Enabled only when RADF is set.) (Executable only when
the RADF is installed.)
08 ADF paper feed solenoid operation check (ADF SPUS 
CHK) (Disabled when set to OC) (Executable only when 
the ADF is installed.)
09 RADF reverse solenoid operation check (RADF SPFS 
CHK) (Enabled only when RADF is set.) (Executable only 
when the RADF is installed.)
10 RADF paper exit gate solenoid operation check (RADF 
SGS CHK) (Enabled only when RADF is set.) 
(Executable only when the RADF is installed.)
3 03 Shifter operation check (SHIFTER CHK)
5 01 Operation panel display check (LCD/LED CHK)
02 Fusing lamp, cooling fan operation check (HT LAMP 
CHK)
03 Copy lamp ON check (C-LAMP CHK)
6 01 Paper feed solenoid (CPFS1, CPFS2, MPFS) operation 
check (PSOL CHK)
02 Resist roller solenoid (RRS) operation check (RES.R 
SOL CHK)
7 01 Check of warm-up display and aging with JAM (W-UP/
AGING)
06 Interval aging (INTERVAL AGING)
08 Shift to copy with warm-up display (W-UP C-MODE)
Main 
codeSub 
codeContents
8 01 Developing bias output (DVLP BIAS SET.)
02 Main charger output (Grid HIGH) (MHV(H) SET.)
03 Main charger output (Grid LOW) (MHV(L) SET.)
06 Transfer charger output (THV SET.)
9 01 Duplex motor normal rotation check (DPLX ROT.) 
(Enabled when Duplex setting is ON) (Executable only 
when the RADF is installed.)
02 Duplex motor reverse rotation check (DPLX ROT.REV.) 
(Enabled when Duplex setting is ON) (Executable only 
when the RADF is installed.)
04 Duplex motor rotating speed adjustment (DPLX 
ROT.SPEED) (Enabled when Duplex setting is ON) 
(Executable only when the RADF is installed.)
10 00 Toner motor operation (TONER MOTOR)
14 00 Cancel of trouble other than U2 (TRBL CANC.)
16 00 U2 trouble cancel (U2 TRBL CANC.)
20 01 Maintenance counter clear (M-CNT CLR.)
21 01 Maintenance cycle setting (M-CYCLE)
22 01 Maintenance counter display (M-CNT)
02 Maintenance preset display (M-CNT PRESET)
04 JAM total counter display (JAM TTL CNT)
05 Total counter display (TTL CNT)
06 Developer counter display (DVLP CNT)
08 ADF counter display (ADF CNT) (Disabled when set to 
OC) (Executable only when the ADF is installed.)
11 FAX-related counter display (Executable only when the 
FAX is installed.)
12 Drum counter display (DRUM CNT)
14 ROM version display (ROM VER.)
16 Duplex counter display (DPLX CNT) (Enabled when 
Duplex setting is ON) (Executable only when the RADF is 
installed.)
17 Copy counter display (COPIES CNT)
18 Printer counter display (PRT.CNT)
19 Scanner mode counter display (S-MODE CNT)
21 Scanner counter display (SCAN CNT)
22 ADF JAM counter display (S JAM CNT) (Disabled when 
set to OC) (Executable only when the ADF is installed.)
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