Service manual

EPSON Stylus Photo R320 Revision B
DISASSEMBLY AND ASSEMBLY Disassembly 59
2.3.13 Removing Print Head
 External View
Figure 2-34. Removing "Print Head"
 Parts/Units which should be removed before removing "Print Head".
Paper Support Assy./Preview Monitor Unit/Housing, Upper/Housing, Middle
 Procedure for Removing
1. Remove all the ink cartridges from "Carriage Unit".
2. Release "Carriage Lock" with the tweezers or alike, then move "Carriage
Unit" to the centre of the printer.
3. Remove the screw (x1) which secures "Holder, FFC" with the No. 1 driver.
4. Slightly inflect the lower part of "Holder, FFC", release the hooks (x3) by
sliding it downward. Then, remove "Holder, FFC".
5. Release the hooks (x2) which secure "Holder, IC", and remove "Holder, IC"
upward.
6. Remove the screws (x2) which secure "Print Head" with Phillips screwdriver
(No.1).
7. Disconnect "Cable, Head" from the connector of "Print Head" while slightly
lifting "Print Head". Then, remove "Print Head".
Carriage Unit
Carriage Lock
C.B.P 2.5x6 (3-5kgf•cm)
Holder, FFC
Hooks
Hooks
Holder, IC
C.B.B (P2) 2.5x8 (3-5kgf•cm)
Cable, Head
Print Head
1
2
C A U T I O N
Do not touch and/or damage the nozzle surface of "Print Head"
when handling it.
 Check if "Head FFC" is correctly connected to the connector of
"Print Head".
 Check if "Print Head" is correctly set to "Carriage Unit".
 Screw the "Print Head" in the order as indicated the Figure.
A D J U S T M E N T
R E Q U I R E D
 When having removed or replaced "Print Head", implement the
adjustment in the following order.
(Refer to Chapter 3 "ADJUSTMENT")
1. Ink Charge (When Replaced)
2. Head ID Input (When Replaced)
3. First Dot Adjustment
4. PW Sensor Adjustment
5. Head Angular Adjustment
6. Bi-D Adjustment
7. Offset Input for CR Motor Calorific Limitation