Adjustment; Overview; Servicing Adjustment Item List - Epson Stylus Photo R2000s Series Service Manual

Stylus Photo R1900/R2880/R2000/R2000s/SC-P400 Series

9.5 Adjustment

9.5.1 Overview

This section explains the adjustment items for SC-P400 Series.

9.5.2 Servicing Adjustment Item List

The items, purposes and outlines of the adjustment program are given in the following table.
Adjustment
Main PF belt tension
adjustment adjustment
Pf roller shaft center
support position
adjustment
ASF guide roller LDs
position adjustment
PG adjustment
EEPROM data copy
Initial setting
SC-P400 Series
Table 9-7. Servicing Adjustment Item List
Purpose
Adjust the belt tension of PF belt properly to ensure paper
feed accuracy.
Correct the deflection amount on the PF roller shaft to
maintain the appropriate paper feed amount.
To prevent the paper feed accuracy from being lowered
due to variation of assembling accuracy when installing
the ASF Guide Roller LDs, aligns the installation position
of ASF Guide Roller LDs and optimizes the relative
positions of the LD roller Shaft and the Retard Roller.
Maintains the distance between the Printhead surface and
the Paper Guide Front (Platen) correctly and adjusts the
parallelism on the 0-digit and the 130-digit sides to
stabilize the print quality.
Reads out the necessary information from the EEPROM
on the defective main board using the D4 function, and
then write it to the new board to reduce the related
adjustment items required after replacing the Main Board.
After replacing the main board, writes information
necessary for Main Boards (initial settings, product serial
No., MAC address)
Method Outline
For the adjustment procedure, see
Adjustment Method" (p.146)
For the adjustment procedure, see
Center Support Position Adjustment"
For the adjustment procedure, see
(p.161)
LDs Position Adjustment"
For the adjustment procedure, see
(p.147)
.
1. Select this function in the adjustment program.
2. Read out the data from the defective board.
3. After replacing the board with a new one, write the read
data to the new board.
1. Select this function in the adjustment program.
2. Input the necessary information and write it to the new
board.
Adjustment
"5.2.1.1 PF Belt Tension
.
"5.2.3 PF Roller Shaft
(p.151) .
"5.2.5 ASF Guide Roller
.
"5.2.2 PG Adjustment"
Carry this out only if the
EEPROM backup has failed
when replacing the main board.
Revision I
Remarks
211