Epson Stylus Pro 4800 Portrait Edition, Service Manual

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EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Product Description Product Description 10
1.1 Product Description
The Stylus Pro 4400/4450/4800/4880/4880C is a large-format printer based on the Stylus Pro 4000.
The Stylus Pro 4800/4880/4880C is the exclusive model for 8-color inks and the Stylus Pro 4400/4450 is the exclusive model for 4-color inks.
The following table shows the major changes from the Stylus Pro 4000.
1.1.1 Comparison with Stylus Pro 4000
Note *: PK=Photo Black, MK=Matte Black, LK=Light Black, LLK=Light Light Black, C=Cyan, M=Magenta, LC=Light Cyan, LM=Light Magenta, Y=Yellow, VM=Vivid Magenta,
VLM=Vivid Light Magenta
Table 1-1. Comparative Table
No. Comparative Point
Stylus Pro 4400/4450/4800
/4880/4880C
Stylus Pro 4000 Remark
1 Difference between
8-color model and
4-color model Hardware The 4-color model is not equipped with
an ink holder on the right side. Common ---
2 Printer driver Differs between the 8-color model and
the 4-color model. Common ---
3 Ink set
configuration 8-color model
†
Stylus Pro 4800
K (PK/MK),C,M,Y,LK,LC,LM,LLK
*
†
Stylus Pro 4880/4880C
K (PK/MK),C,VM,Y,LK,LC,VLM,LLK
*
MK,C,M,Y,PK,LC,LM,LK
*
---
4-color model MK,C,M,Y
*
MK,C,M,Y
*
4 Calibration function Colorimetric Calibration:
Corrects the amount of dot generation
based on the individual difference
between the following parts:
„
Printhead
„
MAIN Board
„
Power Supply Board
Head ID:
Corrects the amount of dot
generation based on the individual
difference between the following
part:
„
Printhead
Calibration accuracy is improved by taking electrical
variable factor into consideration.
5 PG setting 5 levels:
0.7mm/1.2mm/
1.5mm /2.2mm/2.6mm
4 levels:
0.7mm/1.2mm/2.2mm/2.6mm Added 1.5 mm of PG setting to prevent thin paper from
being damaged. (Lock bush design is changed according
to the added PG setting.)
6 Harness connection for CR Motor Connected by connectors Connected by soldering Harnesses are made easier to connect/disconnect.
7 Connection between Printhead and
Main Board Added a relay board between
“Printhead, Harness”and the MAIN
Board. The Printhead is connected to the
MAIN Board by “Head, Harness”
only. An additional relay board prevents head drive waveform
being deteriorated when transmitting data form the MAIN
Board to the Printhead.
8 Material for roll paper guide roller Rubber (elastomer) Plastic (POM) Reduce roller marks traced when roll paper passes
through the roller.
9 Cooling fan Added a cooling fan --- Cools the MAIN Board and the Power Supply Board, and
ventilates the board container.