M13 (Scanner Drive) Control - Konica Minolta 7085/FORCE 85 Service Manual

READ SECTION

[3] M13 (Scanner Drive) Control

3
M13 (scanner drive) is driven by the SCDB (scanner
3
drive board) and is controlled by the PRCB (printer
control board).
Related signals are PS4 (scanner reverse)(7075 only),
PS5 (scanner HP), PS6 (original HP), and PS7 (ADF
brake).
1. Operation
a. Operation of M13
M13 is a 3-phase stepping motor driven using
the 3-phase bipolar constant-current drive
method. The motor is turned ON/OFF by
supplying/stopping clock pulses.
MODEL
7075/7085
SERVICE HANDBOOK
M13 CLK
M13 F/R
M13 CSEL
M13 V0
M13 V1
M13 V2
PS5
PS7
PS6
PS4
PRCB
MANUAL REVISED EDITION
M13 DRIVE U
M13 DRIVE V
M13 DRIVE W
5VDC
PS5
SGND
PS7
5VDC
PS6
SGND
PS4
SCDB
b. Movement speed of the exposure unit
3
Scanning speed
Operation mode
Scan
Forward
Home position
search
c. Positions of sensors
Paper exit side
PS7
DATE
2 - C - 2
Jan. 2002
3
M13
PS5
PS7
PS6
7075 only
PS4
24VDC
PGND
DCPS2
5VDC
SGND
DCPS1
Movement speed
7075
370 mm/sec (400 dpi,
1:1) 164.4 mm/sec (600
dpi, 1:1)
7085
400 mm/sec (600 dpi,
1:1)
7075 : 569.23 mm/sec
7085 : 615.38 mm/sec
7075 : 284.6 mm/sec
7085 : 205.1 mm/sec
Paper feed side
PS5 PS6 PS4
7075 only
PAGE METHOD
2-C-2 REPLACEMENT