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MX-M316N
[5] ADJUSTMENTS AND SETTINGS
1. General
Each adjustment item in the adjustment item list is associated with
a specific Job number. Perform the adjustment procedures in the
sequence of Job numbers from the smallest to the greatest.
However, there is no need to perform all the adjustment items. Per-
form only the necessary adjustments according to the need.
2. Adjustment item list
Job No.
ADJ 1
Adjust the developing unit
ADJ 2
High voltage values check
ADJ 3
Image lead edge position,
image loss, void area, image off-
center, image magnification
ratio adjustment (Automatic
adjustment)
ADJ 4
Scan image distortion
adjustment (Document table
mode)
ADJ 5
Scanner image skew adjustment (RSPF mode)
ADJ 6
Scan image focus adjustment
ADJ 7
Print lead edge image position adjustment (Printer mode)
ADJ 8
Image density adjustment
ADJ 9
Paper size sensor adjustment
ADJ 10
Document size detection
adjustment
ADJ 11
Touch panel coordinate setting
ADJ 12
Print image position, void area,
off-center adjustment (Print
engine) (Manual adjustment)
ADJ 13
Scan image magnification ratio
adjustment (Manual adjustment)
ADJ 14
Scan image off-center
adjustment (Manual adjustment)
ADJ 15
Copy image position and image
loss adjustment (Manual
adjustment)
ADJ 16
Finisher adjustments (alignment, staple position)
Adjustment item list
1A
Developing doctor gap adjustment
1B
MG roller main pole position adjustment
1C
Toner density control reference value setting
2A
Check the main charger grid voltage
2B
Check the developing bias voltage
2C
Transfer current adjustment
3A
Print image off-center automatic adjustment (Print engine) (Each paper feed tray)
3B
Copy mode image lead edge position, image loss, void area, image off-center, sub scanning
direction image magnification ratio automatic adjustment (Scanner) (Document table mode)
3C
Copy mode image lead edge position, image loss, void area, image off-center, sub scanning
direction image magnification ratio automatic adjustment (Scanner) (RSPF mode)
4A
Scanner (reading) unit parallelism adjustment
4B
Scan image (sub scanning direction) distortion adjustment
4C
Scan image (main scanning direction) distortion adjustment
8A
Scanner calibration (CCD calibration)
8B
Copy / Image send /
8B
FAX image quality
(1)
adjustment (Individual
adjustment)
8B
(2)
8B
(3)
8B
(4)
8B
(5)
8B
(6)
9A
Manual paper feed tray paper size (width) sensor adjustment
9B
RSPF paper feed tray document size (width) sensor adjustment
10A
Document size sensor detection point adjustment
10B
Adjust the sensitivity of the original size sensor
12A
Print image print area adjustment (Print engine) (Manual adjustment)
12B
Print image off-center adjustment (Print engine) (Manual adjustment)
13A
Scan image magnification ratio adjustment (main scanning direction) (Manual adjustment)
(Document table mode)
13B
Scan image magnification ratio adjustment (sub scanning direction) (Manual adjustment) (Document
table mode)
13C
Scan image magnification ratio adjustment (main scanning direction) (Manual adjustment) (RSPF
mode)
13D
Scan image magnification ratio adjustment (sub scanning direction) (Manual adjustment) (RSPF
mode)
14A
Scan image off-center adjustment (Manual adjustment) (Document table mode)
14B
Scan image off-center adjustment (Manual adjustment) (RSPF mode)
15A
Copy image position, image loss, and void area adjustment (Manual adjustment) (Document table
mode)
15B
Image scanning position adjustment (Manual adjustment) (RSPF mode)
15C
Copy image position, image loss, void area adjustment (Manual adjustment) (RSPF mode)
MX-M316N ADJUSTMENTS AND SETTINGS 5 – 1
Service Manual
Unnecessary adjustments can be omitted. Even in this case, how-
ever, the sequence from the smallest to the greatest Job number
must be observed.
If the above precaution should be neglected, the adjustment would
not complete normally or trouble may occur.
Monochrome copy density adjustment (for each monochrome copy
mode) (separately for the low-density area and the high-density area)
(No need to adjust normally)
Automatic monochrome (Copy/Scan/FAX) mode document density
scanning operation (exposure operation) conditions setting (Normally
no need to set)
Document low density image density reproduction adjustment in the
automatic monochrome (Copy/Scan/FAX) mode (No need to adjust
normally) (Background density adjustment in the scanning section)
Copy/Scan low density image density adjustment (for each mode)
(No need to adjust normally) (Effective only for the color scan
function)
Monochrome (Copy/Scan/FAX) mode color document reproduction
adjustment (No need to adjust normally)
RSPF mode (Copy/Scan/FAX) density adjustment (No need to adjust
normally)
Simulation
25-2
8-2
8-1
8-6
50-28
50-28
50-28
64-2
48-1
50-5
63-3 (63-5)
46-2
46-19
46-32
46-63
46-37
46-9
40-2
53-6
41-1
41-2
65-1
50-10/50-1
50-10
48-1
48-1/48-5
48-1
48-1
50-12
50-12/50-6
50-1
53-8
50-6
3-10
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