Epson Stylus Color 880, Руководство по обслуживанию

Страница: 117 / 179

EPSON Stylus COLOR 880 Revision A
Adjustment Overview 117
5.1 Overview
This chapter describes adjustments required when the printer is disassembled
and assembled after repair.
Additionally, this section describes the PF motor Loop scale unit assembling
procedure required when the PF Loop scale or Gear 57 is replaced to new one.
5.1.1 Required Adjustments
Stylus COLOR 880 require the following adjustments. (Refer to Table 5-1.)
Perform any necessary adjustment referring to the figures and procedures
described throughout this chapter.
Table below shows the actions taken and required adjustments in the order to
be performed.
Table 5-1. Adjustment Required
No. Adjustment Item Conditions
1 Parallelism Adjustment
• When you replace or remove the Carriage guide
shaft.
• When you move the parallelism adjustment bushing.
2
Backlash value
Adjustment
• When you replace the PF motor or Gear 57.
3 Initial Ink Charge
• When you replace or remove the printhead.
4 Head ID Input
• When you replace the printhead.
• When you replace the main board.
Note) The head ID values stored in the EEPROM
are not erased by EEPROM reset operation.
5
Bi-D Adjustment
• When you replace or remove the printhead.
• When you replace the main board.
• When you replace the CR Motor.
6 USB ID data Input
• When you replace the main board.
7 Protection counter reset
• When you replace the waste ink pad.
Table 5-2. Actions Taken and Adjustment Required
No. Content of Operation Adjustment Procedure
1 Removal of the printhead
1. Perform initial ink charge.
2. Perform Bi-d Adjustment.
2 Replacement of the printhead
1. Perform initial ink charge.
2. Perform Head ID writing operation
3. Perform Bi-d Adjustment.
3 Replacement of the main board
1. Perform Head ID writing operation.
2. Perform Bi-d adjustment.
3. USB ID input
After perform the above adjustments,
replace the following parts.
1) Ink Cartridge.
2) Waste Ink Pad.
Above two kinds of the counter are
erased by replacing the Main board.
4
Replacement or Removal of the
Carriage Unit
1. Perform parallelism adjustment.
2. Perform Bi-d adjustment.
5 Replace of the CR Motor
1. Perform Bi-d adjustment.
6
Replacement of the Printer
Mechanism
1. Perform Head ID Input.
2. Perform initial ink charge.
3. Perform Bi-d adjustment.
7
Replacement or removal of the
following parts.
1) PF motor
2) Gear 57
3) PF roller assembly (Gear 57 &
Loop scale is assembled with PF
roller)
1. Perform the Backlash Adjustment.