Epson Stylus Pro 3850 - Chapter 4 DISASSEMBLY & ASSEMBLY; PG Position Adjustment

Epson Stylus Pro 3800/3800C/3850/3880/3885/3890 Revision C
ADJUSTMENT Mechanical Adjustment 220
5.2.3 PG Position Adjustment
 Purpose
Check the platen gap if it is properly adjusted.
 Tool
Thickness gauge T = 0.90, T = 1.00
 Standard Value
 T = 0.90: Carriage can slide over the gauge
 T = 1.00: Carriage is blocked by the gauge
 Procedure
1. Unlock the carriage unit manually. See "4.3.1 Unlocking the CARRIAGE,
ASSY. manually" (Page 92).
2. Put the thickness gauge on the following location of the platen and move the
carriage unit slowly over the thickness gauge.
z Home Position side: Third and fifth rib from the right.
z Center: Ninth and 12th rib from the right.
z Opposite to the HP side:1 17th and 19th rib from the right.
Figure 5-8. Thickness Gauge Set Position
Figure 5-9. PG Height Check
C H E C K
P O I N T
Remove the HOUSING, UPPER if it interferes with the checking.
See "4.3.3.12 HOUSING, UPPER" (Page 107).
Thickness gauge
3th5th9th12th17th19th
Thickness gauge
CARRIAGE UNIT