Required Adjustments By Part Or Unit - Epson Stylus Pro 7400 Service Manual

EPSON Stylus Pro 7400/7800/9400/9800

5.1.4 Required Adjustments by Part or Unit

The following tables list adjustments required after each part or unit is repaired or
replaced. The adjustments are listed in the order of executing them.
Note "*1": RP = After replacing the part with a new one.
"*2": RM = After repairing the part (includes when it is just removed and reinstalled)
Table 5-2. Required Adjustments in the Order of Execution
Part Name Required Adjustment
Main Board 1 Installing Firmware
(Backup = OK)
2 NVRAM Back Up and Write
3 Colorimetric Calibration (Color ID)
Main Board 1 Installing Firmware
(Backup = NG)
2 Initial Ink Charge Flag ON/OFF
3 RTC&USB ID&IEEE1394 ID
4 Head Rank ID
5 Input Serial Number
6 Rear Sensor Adjustment
7 Check Nozzle
8 Check Alignment
9 980mm Band Feed Adjustment
10 Nozzle Bi-D Adjustment
11 Print Head Slant Adjustment (PF)
12 Print Head Slant Adjustment (CR)
13 Ink Mark Sensor Level Adjustment
14 T&B&S (Roll Paper)
15 Platen Position Adjustment
16 Ink Mark Sensor Adjustment for Auto
Nozzle Check
17 Auto Uni-D Adjustment
18 Auto Bi-D Adjustment
19 Cutter Pressure Adjustment
20 Colorimetric Calibration (Color ID)
Adjustment
Table 5-2. Required Adjustments in the Order of Execution (continued)
Part Name
Power Supply
Board
Relay Board
Cleaning
Unit
1 2
RP* RM* Page
Pressure Pump
Unit
--- p.371
Printhead
--- p.338
--- p.341
--- p.371
--- p.337
--- p.313
--- p.314
--- p.315
--- p.340
--- p.362
--- p.363
--- p.336
--- p.321
Damper
--- p.322
--- p.325
--- p.328
CR Motor
--- p.316
(or CR Timing
--- p.334
Belt)
--- p.331
--- p.329
--- p.357
--- p.320
--- p.341
Overview
Required Adjustment
1 Colorimetric Calibration (Color ID)
1 Colorimetric Calibration (Color ID)
1 Reset When Cleaning Unit Change
2 Reset PG Switching Counter
1 Reset Pump Counter
1 Cleaning
2 Head Rank ID
3 Check Nozzle
4 Check Alignment
5 Nozzle Bi-D Adjustment
6 Print Head Slant Adjustment (PF)
7 Print Head Slant Adjustment (CR)
8 Auto Uni-D Adjustment
9 Auto Bi-D Adjustment
10 Print Image
11 Reset When PrintHead Change
12 Colorimetric Calibration (Color ID)
1 Initial Ink Charge
2 Check Nozzle
3 Air leak check
1 CR Timing Belt Tension Adjustment
2 Nozzle Bi-D Adjustment
3 T&B&S (Roll Paper)
4 Platen Position Adjustment
5 Auto Uni-D Adjustment
6 Auto Bi-D Adjustment
7 Reset When CR Unit Change
Revision B
1 2
RP* RM* Page
--- p.341
--- p.341
--- p.368
--- p.367
--- p.370
--- p.339
--- p.314
--- p.362
p.363
p.321
p.322
p.325
p.329
p.357
p.366
--- p.369
--- p.341
p.339
--- p.362
p.310
p.306
p.321
p.316
p.334
p.329
p.357
--- p.368
294