Konica Minolta Drypro 832, Service Manual

Page: 220 / 530

Chapter 11 Replacing Loading Parts in Main Unit
11-20
11.7 Replacing H-DRV Board
Replace the H-DRV board that controls the heater in the heat process unit.
Work outline
The number of personnel and the estimated work hours required to replace loading parts is as follows:
Requirements
The procedure for replacing loading parts requires the following tools:
1
Remove the left cover and heat process unit with
reference to
“ Removal Procedure (Page 9-3)”
in “9.1.1 Removing/Installing Heat Process Unit” .
2
Remove the lid from the box where the H-DRV
board is housed.
• Two screws (M3
×
6)
Caution
•
Be sure to turn off power and remove the power cable from the electrical outlet before
removing or installing the exterior cover or replacing loading parts.
•
The heat process unit and the area around it are hot immediately after turning off DRYPRO
832.
The upper part of the rack is particularly hot. Touching it with bare hands may cause burns.
Therefore, use working gloves, and hold the grips on the side panels.
•
To avoid damage to the board caused by electrostatic discharge, wear a wrist grounding
strap with reference to
“3.4 Installing a Grounding Strap (Page 3-24)” when accessing the
board for work.
Number of
Personnel
Work Hours
1 15 minutes
No. Tools No. Tools
1 Various types of screwdrivers 2 Tray (container for screws and parts removed)
3 H-DRV board (for replacement) 4 Grounding strap
5 Cotton work gloves
Caution
•
When replacing loading parts, be sure to
replace with the tray shutter attached. If
some of the film remains on the tray, the
film may be exposed.
•
The heat process unit weighs
approximately 15kg.
Carefully perform work when unloading
the heat process unit from the main unit
or transporting it to work site.
•
Be very careful, the top of the rack is hot.