Ricoh CTR810 Service Manual
6 January 1990
1. SPECIFICATIONS
Roll Paper Size: Width: 210 mm (81/2 in.) to 1030 mm (36 in.)
Length: 150 meters
Cut Size: 100 mm (4 in.) to 3600 mm (141 in.)
----Change between millimeters and inches by
DIP switch
----1 mm or 0.1 in. per step
----Maximum length can be changed to 5,000
mm or 200 in. by SP mode.
Cutting Speed: 8.5 seconds (A1 size)
Paper Transport Velocity: 100 mm/s
Repeat Quantity: 1 to 99
Auto Reset: 2 minutes (Can be changed to 1 minute, 5
minutes, or no auto reset by SP mode.)
Control: Microprocessor
Total Counter: 6 digits (displayed by SP mode)
Power Source: 115 V, 60 Hz, 0.8 A
220 V, 50 Hz, 0.5 A
240 V, 50 Hz, 0.5 A
Power Consumption: Maximum = 150 W
Dimensions (W x D x H): 1,350 x 250 x 361 millimeters
53.15 x 9.84 x 14.21 inches
Weight: 34 kg, 75 lb
7-1
6 January 1990
2. OPERATION PANEL
-- 115 V Version --
Stop/Cut
Start
7
1 2 3 4 65
inch
Range of input size
4" 141"
~
Input Size
Set Quantity
inch
1
4
7
2 3
5 6
8
0
8
10
9
11 12
9
Clear/Stop
C
-- 220/240 V Version --
7
1 2 3 4 65
100-3600mm
[ ]
m m
1
4
7
2 3
5 6
8
0 C
8
10
9
9
12
7-2
1. Stop/Cut Key
Press to stop paper feeding and cut the paper.
2. Length Counter
Displays the cut length.
3. Load Roll Paper Indicator
Lights when it is time to install a new roll of paper.
4. Cover Open Indicator
Lights when one of the covers is open
5. Misfeed Indicator
Lights if paper misfeeds within the roll cutter.
6 January 1990
6. Cut Quantity Counter
Displays the number of sheets to be cut.
7. Start Key
Press to start machine operation.
8. Length Program Keys
Frequently used cut lengths can be stored and recalled using these keys.
9. Quantity/Size Select Key
Press to select "Input Size" or "Set Quantity".
10. Number Keys
Use to enter the desired length and cut quantity.
11. Decimal key
Press to enter a decimal point.
12. Clear/Stop Key
Press to cancel the length and cut quantity entered. While feeding, press to
stop the machine.
7-3
6 January 1990
3. MECHANICAL COMPONENT LAYOUT
3
2
1
6
4
5
8
1. Main Motor Pulley----16Z
2. Idle Pulley
3. Timing Belt
4. Exit Rollers
7-4
5. Cutter Unit
6. Paper Feed Rollers
7. Paper Roll Spool
8. Paper Roll
7
6 January 1990
4. ELECTRICAL COMPONENT LAYOUT AND
DESCRIPTION
5
3
2
1
17
4
15
16
6
7
13
14
8
9
10
11
12
SYMBOL NAME FUNCTION LOCATION
Motors
M1 Main Motor Drives all mechanical components
4
except the cutter unit.
M2 Cutter Motor Drives the cutter. 15
Switches
SW1 Main Switch Supplies power to the unit. 10
SW2 Unit Safety
Switch
SW3 Upper Safety
Switch
Cuts power when the entire roll cutter
unit is lifted.
Cuts power when the upper cover is
opened.
7-5
12
1
6 January 1990
SYMBOL NAME FUNCTION LOCATION
SW4 Middle Safety
Switch
SW5 Lower Safety
Switch
Cuts power when the middle cover is
opened.
Cuts power when the lower cover is
opened.
Sensors
S1 Paper End Sen-
Detects when the roll paper runs out. 14
sor
S2 Left Cutter Sen-
sor
S3 Right Cutter
Sensor
S4 Paper Exit Sen-
sor
Detects whether or not the cutter is at
the left home position.
Detects whether or not the cutter is at
the right home position.
Misfeed detector. Also detects the
leading edge of paper to start paper
length pulse count.
S5 Pulse Generator Supplies timing pulses to the main
board. (Photointerrupter)
16
17
2
11
5
3
Printed Circuit Boards
PCB1 Main Board Controls all cutter unit functions. 6
PCB2 Operation Panel Contains the operator controls and
indicators.
Others
TR Transformer Steps down the line voltage to 20 Vac
and 10 Vdc.
FU Fuse Protects the unit from excess voltage
input.
NF Noise Filter Filters out electrical noise on the ac
power input lines.
13
7
8
9
7-6
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