MX-3114N ADJUSTMENTS AND SETTINGS 5 – 1
MX-3114N
Service Manual
[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.
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.
2. Adjustment item list
Job No. Adjustment item list Simulation
ADJ 1 Adjust the developing unit 1A Adjust the developing doctor gap
1B Adjust the developing roller main pole position
1C Toner density control reference value setting 25-2
ADJ 2 Adjusting high voltage values 2A Adjust the main charger grid voltage 8-2
2B Adjust the developing bias voltage 8-1
2C Transfer current and voltage adjustment 8-6
ADJ 3 Image density sensor
adjustment
3A Image density sensor adjustment 44-2
ADJ 4 Image lead edge position, image
loss, void area, image off-center,
image magnification ratio
adjustment
(Automatic adjustment)
4A Print image main scanning direction automatic magnification ratio adjustment (Print engine) 50-28
4B Print image off-center automatic adjustment (Print engine) (Each paper feed tray) 50-28
4C 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)
50-28
4D Copy mode image lead edge position, image loss, void area, image off-center, sub scanning
direction image magnification ratio automatic adjustment (Scanner) (RSPF mode)
50-28
ADJ 5 Print engine image distortion
adjustment / OPC drum phase
adjustment / Color registration
adjustment (Print engine
section)
5A Print engine image distortion adjustment (Manual adjustment) / OPC drum phase adjustment
(Automatic adjustment) / Color registration adjustment (Automatic adjustment)
50-22
5B Print engine image skew (LSU skew) adjustment (Manual adjustment)
(No need to adjust normally)
50-20 (64-1)
5C Color registration offset adjustment (No need to adjust normally) 50-20
ADJ 6 Scan image distortion
adjustment
(Document table mode)
6A Scanner (reading) unit parallelism adjustment
6B Scan image (sub scanning direction) distortion adjustment
6C Scan image (main scanning direction) distortion adjustment
ADJ 7 Scanner image skew adjustment (RSPF mode) 64-2
ADJ 8 Scan image focus adjustment 48-1
ADJ 9 Print lead edge image position adjustment (Printer mode) 50-5
ADJ 10/
SET1
Color balance and density
adjustment
Note before execution of the
image quality adjustment
Copy image quality check
Printer image quality check
10A Scanner calibration (CCD
calibration)
63-3 (63-5)
SET
1
Color balance adjustment target
setup
1A Copy color balance adjustment target setup 63-7/8/11
1B Printer color balance adjustment target setup 67-26/27/28
10B Copy/Printer color balance and
density adjustment (Automatic
adjustment)
(Basic adjustment)
46-74
10C Copy image quality adjustment
(Basic adjustment)
10C
(1)
Copy color balance and density adjustment
(Automatic adjustment)
46-24
10C
(2)
Copy color balance and density adjustment
(Manual adjustment)
46-21
10D Copy / Image send / FAX image
quality adjustment (Individual
adjustment)
10D
(1)
Color copy density adjustment (for each color copy
mode) (separately for the low-density area and the
high-density area)
(No need to adjust normally)
46-1
10D
(2)
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)
46-2
10D
(3)
Color copy color balance, gamma adjustment
(for each color copy mode)
(No need to adjust normally)
46-10
10D
(4)
Monochrome copy density, gamma adjustment (for
each monochrome copy mode)
(No need to adjust normally)
46-16
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