Epson R2000 Service Manual

							EPSON Stylus Photo R1900/R2880/R2000Revision E
Adjustment Adjustment Items and Overview 141
Confidential5.1.2  Required AdjustmentsThe table below lists the required adjustments depending upon the parts being repaired or replaced. Find the part(s) you removed or replaced, and check which adjustment(s) must be carried out.
m
Table 5-4. Required Adjustment List
Priority
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
PF Belt tension adjustment
PF Roller Shaft Center 
Support Position adjustment
ASF Guide Roller LDs 
Position Adjustment
PG Adjustment
High Voltage Module
 inspection
EEPROM Data Copy
Initial setting/USB ID Input
Head ID input
Consumables maintenance 
counter
Ink charge
Initialize PF deterioration
offset
Disenable PF deterioration
offset
First dot position adjustment
PW adjustment
Head angular adjustment
Multi Sensor Adjustment 
(Ink Mark Sensor Adjustment)
Bi-D adjustment
PF adjustment
CR motor heat protection
control
Colorimetric calibration
Final check pattern print
ASF AssyRemove --- --- *1 --- --- --- --- --- --- --- --- --- O --- --- --- --- --- --- --- O
Replace --- --- O --- --- --- --- --- --- --- --- --- O --- --- --- --- --- --- --- O
CR MotorRemove --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O
Replace --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O
PrintheadRemove --- --- --- O --- --- --- --- --- --- --- --- O O O --- O --- --- --- O
Replace --- --- --- O --- --- --- O --- O --- --- O O O --- O --- --- O O
Main BoardRemove --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O
Replace
(Read OK)--- --- --- --- --- O --- --- --- --- --- --- --- --- --- --- --- --- --- O O
Replace
(Read NG)------------------OO*2------OOOOOOOOOO
PS BoardRemove --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O
Replace --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O O O
High Voltage 
ModuleRemove --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O
Replace --- --- --- --- O --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O
Front Paper Guide/
Paper Eject RollerRemove --- --- --- --- --- --- --- --- --- --- --- --- --- O --- --- --- O --- --- O
Replace --- --- --- --- --- --- --- --- --- --- --- --- --- O --- --- --- O --- --- O
PF Roller ShaftRemove O O --- O --- --- --- --- --- --- --- --- --- O --- --- --- O --- --- O
Replace O O --- O --- --- --- --- --- --- --- --- --- O --- --- --- O --- --- O
PF MotorRemove O O --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O --- --- O
Replace O O --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O --- O O
Adjustment
Item
Part Name 
						

							EPSON Stylus Photo R1900/R2880/R2000Revision E
Adjustment Adjustment Items and Overview 142
Confidential
Note : “O” indicates that the adjustment must be carried out. “---” indicates that the adjustment 
is not required. If you have removed or replaced multiple parts, make sure to check the 
required adjustments for the all parts. And when multiple adjustments must be carried 
out, be sure to carry out them in the order given in the “Priority” row.
Note *1  :When only removing the ASF Assy, you do not need to perform the adjustment. In 
that case, mark the installing positions before removing them, and make sure to align 
the markings when installing. See 4.4.6 ASF Assy (p106).
*2  :Replacing the Waste Ink Tray Assy is necessary when resetting waste ink pad counter.*3  :When only removing the Carriage Shaft, you do not need to perform the adjustment. 
In that case, mark on the Parallelism Adjust Bushing (Left/Right) before removing 
them, and make sure to align the markings when installing. See 4.4.5 Carriage Shaft 
/ Carriage Unit (p98). Waste Ink Pad/
Front Paper Guide 
PadRemove --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O
Replace --- --- --- --- --- --- --- --- O --- --- --- --- --- --- --- --- --- --- --- O
Carriage shaftRemove --- --- --- *3 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O
Replace --- --- --- O --- --- --- --- --- --- --- --- O O O --- O --- --- --- O
Carriage UnitRemove --- --- --- O --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O
Replace --- --- --- O --- --- --- --- --- --- --- --- O O O --- O --- --- --- O
Paper EJ Frame 
AssyRemove --- --- --- --- --- --- --- --- --- --- --- --- --- O --- --- --- O --- --- O
Replace --- --- --- --- --- --- --- --- --- --- --- --- --- O --- --- --- O --- --- O
Printer MechanismRemove --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- O
Replace O---OO------------------O---OOOOOOO---O
PW SensorRemove --- --- --- --- --- --- --- --- --- --- --- --- --- O --- --- --- --- --- --- O
Replace --- --- --- --- --- --- --- --- --- --- --- --- --- O --- --- --- --- --- --- O
Ink Mark SensorRemove --- --- --- --- --- --- --- --- --- --- --- --- --- O --- O --- --- --- --- O
Replace --- --- --- --- --- --- --- --- --- --- --- --- --- O --- O --- --- --- --- O
Table 5-4. Required Adjustment List
Priority
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
PF Belt tension adjustment
PF Roller Shaft Center 
Support Position adjustment
ASF Guide Roller LDs 
Position Adjustment
PG Adjustment
High Voltage Module
 inspection
EEPROM Data Copy
Initial setting/USB ID Input
Head ID input
Consumables maintenance 
counter
Ink charge
Initialize PF deterioration
offset
Disenable PF deterioration
offset
First dot position adjustment
PW adjustment
Head angular adjustment
Multi Sensor Adjustment 
(Ink Mark Sensor Adjustment)
Bi-D adjustment
PF adjustment
CR motor heat protection
control
Colorimetric calibration
Final check pattern print

When the EEPROM Data Copy cannot be made for the main 
board that needs to be replaced, the Waste Ink Tray Assy must 
be replaced after replacing the main board with a new one.
After all required adjustments are completed, use the “Final 
check pattern print” function to print all adjustment patterns 
for final check. If you find a problem with the printout 
patterns, carry out the adjustment again.
When using a new main board for replacing the Printer 
Mechanism, the Initial setting must have been made to the 
main board.
Adjustment
Item
Part Name 
						

							EPSON Stylus Photo R1900/R2880/R2000Revision E
Adjustment Adjustment Items and Overview 143
Confidential5.1.3  Required Adjustment ToolsThe following table lists the adjustment tools required for adjustment of this product.
Note : For tools required for the Colorimetric Calibration, see P153.
Table 5-5. List of Tools
No.
Name
Part Code
Category
Overview
1Adjustment 
Program
–SoftwareThis adjustment program is 
designed to display the required 
adjustment items in the 
appropriate order when a 
replacement part is selected, and 
provides workers with the 
accurate adjustment order.
2
G-26
1080614
Grease
For the Parallelism Adjust 
Bushing, Lower Paper Guide, 
Driven Release Shaft, etc.
3G-45
1033657 GreaseFor the PF Roller, Front Paper 
Guide, Rear Paper Guide and 
etc.
4
G-71
1304682
Grease
For the Carriage Unit and 
Carriage Shaft.
5PG Adjustment 
Gauge1276333 GaugeA gauge exclusively used to 
make PG Adjustment. Check 
the correction value by 
energizing it in the same way as 
for Stylus Photo R1800.
6
PF Tension 
Measuring Tool
1294120
Measuring 
tool
Used to check whether or not 
the tension of the PF Drive Belt 
is within the specified value. If 
load is greater than the specified 
value, the PF Motor may 
generate heat, burning off the 
coil. Reversely, if load is less 
than the specified value, the 
paper feed position may shift.
7PF Roller Shaft 
Position 
Adjustment Jig1304993 Adjusting
jigUsed to check whether or not 
the deflection amount of the PF 
Roller Shaft is within the 
specified value. Adjustment 
values are confirmed in a pair 
with the level block.
8
Level Block
1304994
Adjusting
jig
Used to check whether or not 
deflection amount of the PF 
Roller Shaft is within the 
specified value. Adjustment 
values are confirmed in a pair 
with the PF Roller Shaft 
Position Adjustment Jig.
9Spanner (M3)
Commercially 
availableToolUsed to loosen the screw that 
secures the Center Support 
Bushing when performing PF 
Roller Shaft Center Support 
Position Adjustment.
10
Tester
Commercially 
available
Measuring 
tool
Used to confirm the output 
voltage from the High Voltage 
Module falls within the 
specified range.
Table 5-5. List of Tools
No.
Name
Part Code
Category
Overview 
						

							EPSON Stylus Photo R1900/R2880/R2000Revision E
Adjustment Adjustment 144
Confidential5.2  AdjustmentThis section explains the adjustments that do not use the Adjustment Program.5.2.1  PF Belt Tension AdjustmentWhen either of the following parts has been removed or replaced, this adjustment must 
be performed to reduce load on the PF Motor and to secure paper feed accuracy.
PF Motor
PF Roller Shaft
The PF Tension Measuring Tool is used for this adjustment.
Figure 5-1. PF Tension Measuring Tool
5.2.1.1  PF Belt Tension Adjustment Method1. Secure the PF Motor to the Printer Mechanism, and install the Drive Belt on the 
Gear of the PF Scale and the Pinion Gear of the PF Motor.
2. Press the [POWER] button. The LCD of the Measuring Tool displays No. 0 and 
No. 1.
3. From among No. 0 to No. 9, select the channel you want to store its setting by 
pressing the [SELECT] button. The initial value may be selected as the channel.)
4. Press the [WEIGHT] button. The initial value will be displayed. Type the ten-key 
pad so that “1.2g/m” is displayed.
5. Press the [WIDTH] button. The initial value will be displayed. Enter “5.0 mm” 
with the ten-keypad.
6. Press the [SPAN] button. The initial value will be displayed. Enter “48mm” with 
the ten-keypad.
7. Bring the Microphone as close as possible to the center of the Timing Belt.
Figure 5-2. Microphone Position
Proper measurement may be interrupted by sounds picked up from 
around. Make measurement in silent environment.
Microphone of Measuring Tool
Timing Belt 
						

							EPSON Stylus Photo R1900/R2880/R2000Revision E
Adjustment Adjustment 145
Confidential8. Press the [MEASURE] button. (“----” is displayed on the LCD screen.)
9. Put the tip of the tweezers on the Drive Belt, and flip it downward in that position. 
The “----” displayed on the LCD will become wave pattern during the 
measurement. When it has finished, the measurement result will be displayed by 
“N” (Newton) after the beep. This jig can pick up and measure sounds accurately, 
regardless of the flipping force.
10. Repeating 8 and 9, delicately shift the variable part of the PF Motor mounting 
position to adjust the tension until the tension falls within the allowable standard 
value.
5.2.2  PG AdjustmentWhen any of the following parts has been removed or replaced, this adjustment must 
be performed to secure the specified clearance between the print surface of the Print 
Head and paper.
Print Head
Carriage Unit
Carriage Shaft
Parallelism Adjust Bushing (Including the case when just moved it)
In this adjustment, use the same Adjustment Gauge on the left and right sides.
Figure 5-3. Adjustment Gauge

As the Drive Belt is flipped with the tip of tweezers in the following 
steps, carefully choose the flipping position so that the Belt will not 
make contact with the Microphone by reaction of flipping.







Standard Value: 10.5 ± 2N (8.5 ~ 12.5N)

Even if the Timing Belt is flipped, the LCD screen may not 
change at all. In this case, flip the Timing Belt again after a few 
seconds have passed.
If measurement results differ greatly from each other, acoustic 
sounds may not be picked up properly in any of the 
measurements. Therefore, flip the Timing Belt again with the 
tweezers, and record the value at which two measurement 
results are approximate. Displaying errors in the range 1/100 to 
5/100, the Measuring Tool has high reliability.



Some pictures used in this section are Stylus Photo R1800. The 
adjustment method for Stylus Photo R1900/Stylus Photo R2880 
is the same as the one for Stylus Photo R1800.
To change the PG position, turn the cam each on the left and 
right side of the carriage shaft simultaneously.

Do not touch the Adjustment Gauge Plate surface with bare 
hands.
If the Adjustment Gauge Plate surface is stained by ink or, etc. 
wipe it with a soft cloth.
Continuity 
Measuring Point
Adjustment Gauge 
Plate (Top face) 
						

							EPSON Stylus Photo R1900/R2880/R2000Revision E
Adjustment Adjustment 146
Confidential5.2.2.1  PG Adjustment Method1. Install the printer on a level base.
2. Connect the Tester to the printer frame and Adjustment Gauge.
Figure 5-4. Connecting the Tester3. Load unused Ink Cartridges of all colors into the Carriage Unit.
4. Loosen the screw that secures the Parallelism Adjust Bushing.
5. Turn the Parallelism Adjust Bushing upward to match the frame edge and the 
bottom of the Parallelism Adjust Bushing gear.
Figure 5-5. Setting the Parallelism Adjust Bushing
Before starting PG adjustment, completely wipe drops of ink 
around the Print Head. Remaining drops of ink will stick to the 
continuity measurement portion of the Adjustment Gauge, and 
generate continuity before the continuity measurement portion 
makes contact with the metal frame around the Print Head, 
interrupting accurate PG Adjustment.
As the ink in the Print Head may stick fast and damage the 
Print Head during PG Adjustment, make the continuity time 
detected with a tester as short as possible. (Maximum 3 
minutes)

Place the printer on a level, warp-free table. Normal PG 
Adjustment cannot be performed on a warped table.
Frame
Tester
Adjustment Gauge

When the Parallelism Adjust Bushing is turned upwards, the frame 
rises up and PG narrows. Make sure that the frame does not come 
into contact with the Print Head when performing the following 
procedure.
Parallelism Adjust 
Bushing
Positioning Point
Screw
Positioning 
Point
Screw
Parallelism Adjust 
Bushing 
						

							EPSON Stylus Photo R1900/R2880/R2000Revision E
Adjustment Adjustment 147
Confidential6. With its conductor connection portion up, set the Adjustment Gauge in the 
specified position (on the left side of the Front Paper Guide).
Setting Position
Rear direction: Match the rear end of the Gauge with the Driven Roller Shaft 
of the Upper Paper Guide.
Left direction:  Release the left end of the Gauge from the Tab on the Front 
Paper Guide in Figure 5-6.
Figure 5-6. Setting the Adjustment Gauge
7. Move the Carriage Unit onto the Adjustment Gauge.
Moving position
Match the left end of the Gauge with the left end of the Carriage Unit.
Figure 5-7. Moving the Carriage Unit8. To set the PG position to the “--” position, turn the PG Cam on the right end of the 
Carriage Shaft clockwise so that the point marked “--” faces down.
Figure 5-8. Markings of the PG Cam
Setting Position
Conductor Connection Point
Tab
Setting Position







PG Standard Value
PG – – (Minus Minus) :1.05mm~1.25mmPG – (Minus) :1.2mm~1.4mm
Adjustment Resolution
:0.06mm
PG Cam 
						

							EPSON Stylus Photo R1900/R2880/R2000Revision E
Adjustment Adjustment 148
Confidential9. Lower the Gear of the Parallelism Adjust Bushing on the left side of the frame 
stepwise, and confirm continuity. When continuity is confirmed, define the 
position where the Gear was raised one step up from the continuity position 
(where continuity is lost) as the left side PG position. Move the Parallelism Adjust 
Bushing at least twice to confirm that the continuity position and the non-
continuity position are the same.
10. To set the PG position to “0” or more, turn the PG Cams on right ends of the 
Carriage Shaft CCW so that the point marked “0” (or “+” or “++”) faces down.11. With its conductor connection portion up, set the Adjustment Gauge in the 
specified position (on the right side of the Front Paper Guide).
Setting Position
Rear direction:  Match the rear end of the Gauge with the Driven Roller Shaft 
of the Upper Paper Guide.
Right direction: Release the right end of the Gauge from the Tab on the Front 
Paper Guide in Figure 5-10.
Figure 5-10. Setting the Adjustment Gauge



The following figure shows the states of the Adjust Parallel Bushing 
of the left side of the frame and the PG. This also applies to the 
Adjust Parallel Bushing on the right side of the frame.)
Figure 5-9. Relationship between Parallelism Adjust Bushing 
and PG
Narrower PG
Wider PG
Parallelism 
Adjust Bushing
Setting Position
Conductor 
Connection Point
Tab 
						

							EPSON Stylus Photo R1900/R2880/R2000Revision E
Adjustment Adjustment 149
Confidential12. Move the Carriage Unit onto the Adjustment Gauge.
Moving position
Match the right end of the Gauge with the right end of the Carriage Unit.
Figure 5-11. Moving the Carriage Unit
13. Return the PG position to “--”.
14. As in step 9, move the Parallelism Adjust Bushing on the right side of the frame to 
set the right side PG position.
15. Set the PG position to 0 or more.
16. Set the Adjustment Gauge on the left side of the Front Paper Guide.
17. Move the Carriage Unit onto the left side Adjustment Gauge.
18. Return the PG position to “--”.
19. Check continuity again at the PG position on the left side. If the PG position is not 
out of position, tighten the Parallelism Adjust Bushing with the screws to end the 
adjustment. If it is out of position, repeat the adjustment procedure from step 9.
5.2.3  PF Roller Shaft Center Support Position 
AdjustmentThis adjustment must be performed to compensate the deflection amount on the PF 
Roller Shaft and to maintain an appropriate paper feed amount when the following 
parts are removed and replaced.
PF Motor
PF Roller Shaft
The PF Roller Shaft Position Adjustment Jig and Level block are used for this 
adjustment.
Figure 5-12. PF Roller Shaft Center Support Position Adjustment Jig 
and Level Block
Setting Position



A substitute level block can be used if its surface accuracy is 
within 50.
Use a Spanner (M3) to loosen the screw that secures the Center 
Support Bushing.
PF Roller Shaft Center Support 
Position Adjustment Jig
Level Block 
						

							EPSON Stylus Photo R1900/R2880/R2000Revision E
Adjustment Adjustment 150
Confidential5.2.3.1  How to Adjust the PF Roller Shaft Center 
Support Position1. Before performing this adjustment, remove the following parts:

Lower Housing 
(Refer to 4.4.4 Lower Housing / Printer Mechanism (p96) )
ASF Assy (Refer to 4.4.6 ASF Assy (p106) )

Board Assy 
(Refer to 4.3.1 Board Assy (Main Board/Power Supply Board) 
(p84) )
Carriage Unit (Refer to 4.4.5 Carriage Shaft / Carriage Unit (p98) )
2. Install the printer on a level base.
3. Set the PF Roller Shaft Position Adjustment Jig in place on the Level block, and perform 
zero adjustment.
Long hand position: Turn the dial to adjust the “0” position on the scale to the 
long hand position with the jig set in place on the Level 
block.
Short hand position: Check it.
Figure 5-13. Setting the PF Roller Shaft Position Adjustment Jig (1)4. Tilt the Printer Mechanism at about 45 degrees, and loosen the screws that secure 
the Center Support Bushing Cam and the Center Support Bush.
Figure 5-14. Center Support Bushing Cam and the Screw

Place the printer on a level, warp-free table. This adjustment 
cannot be performed correctly if it is performed on a warped table.0 position
Center Support 
Bushing Cam
Bottom of Rear Center