Overview; Precautions; Adjustment Workflow; Parts And Units That Require Adjustments - Epson Stylus Pro 7400 Service Manual

EPSON Stylus Pro 7400/7800/9400/9800

5.1 Overview

This chapter describes the Adjustment Program software utility and the adjustment
procedures required after repairing or replacing certain parts in the Stylus Pro 7400/
7800/9400/9800.

5.1.1 Precautions

Always observe the following cautions whenever make an adjustment on the printer.
Always refer to "5.1.4 Required Adjustments by Part or Unit"
C A U T I O N
(p.294) and make sure to perform all adjustments listed in the
table in the given order.
Always read and follow the precautions given in each section
that explains each adjustment. Ignoring the precautions can
result in malfunction of the printer.

5.1.2 Adjustment Workflow

See "5.1.3 Parts and Units that Require Adjustments" (p.293)
part you repaired or replaced is included in the list. And, if it is, see
Adjustments by Part or Unit" (p.294)
sure to perform the all required adjustments in the specified order given in the table.
Is the part you repaired or replaced
included in "Table 5-1. Parts and
Units that Require Adjustments"
(p.293)?
YES
See "Table 5-2. Required Adjustments
in the Order of Execution" (p.294) to
check the required adjustments and
the correct order to perform them.
Adjustment
to check whether the
"5.1.4 Required
to make sure what adjustments must be made. Be
NO
No adjustment necessary
"5.2 Mechanical Adjustment" (p.301)
"5.3 Basic Adjustment" (p.313)
"5.4 Advanced Adjustment" (p.357)
"5.5 Check Results" (p.362)
"5.6 Reset Counters" (p.367)
Update the firmware as necessary.
"5.7 Installing Firmware" (p.371)

5.1.3 Parts and Units that Require Adjustments

The following parts and units require adjustments after they are repaired or replaced.
Table 5-1. Parts and Units that Require Adjustments
Part or Unit Name (Disassembly/Reassembly reference page)
Main Board* (BOARD ASSY., MAIN
Power Supply Board (P/S BOARD ASSY.
Relay Board (BOARD ASSY., SUB
Cleaning Unit (PUMP CAP ASSY.
ASSY., FLUSHING (R, L) (p.288))
Pressure Pump Unit (PUMP ASSY., SUPPLY
Printhead (p.267)
Damper (VALVE ASSY., HEAD; C
Motor CR Motor (CR MOTOR ASSY.
PF Motor (PF MOTOR ASSY.
Sensor Paper Thickness Sensor
Ink Mark Sensor
CR Encoder Sensor
Rear Sensor (P Rear Sensor
PF Encoder Sensor
Ink Cartridge Slot
(HOLDER ASSY., IC, RIGHT, HOLDER ASSY., IC, LEFT
Cutter Solenoid (CUTTER SOLENOID ASSY.
CR Timing Belt (CR BELT (p.240))
Note "*": Required adjustments after repairing or replacing the Main Board differs
according to whether parameters stored on the NVRAM can be backed up or
not.
Overview
(p.232))
(p.234))
(p.236))
(p.284), CLEANER, HEAD, A, ASP
(p.291))
(p.271))
(p.243))
(p.255))
(P Thick1 Sensor, P Thick2 Sensor
(p.263)
(p.246)
(p.262))
(p.258)
(p.275))
(p.248))
Revision B
(p.287), BOX
(p.261))
293