Ricoh B051 Service Manual page 1039

Tech Service Bulletin No. B051/B052 – 030
Also the following SP Modes must be set:
SP No.
2-938-001 (New SP)
2-941-001
3-920-001
3-922-001 (New SP)
3-922-002 (New SP)
3-970-004
Perform the following:
Item
SP3-001-001 Forced process control
ACC
If the PCU was replaced, reset the PCU PM counter
SP7-804-02 PM counter reset PCU
PCU Modifications
The PCU has been modified to ensure high cleaning performance from the ITB Cleaning Unit and to
increase the durability of the OPC Belt Cleaning Unit.
OLD PART NO. NEW PART NO.
B0519100 B0529100
G0706300 G1006300
G0706394 G1006394
G0702050 G1002051
04513006B
- 08025279
- B0514828
* Denotes new item.
NOTE: A: A cleaning blade was added to the ITB cleaning section. To facilitate this, the Belt Cleaning
Assembly, ITB Cleaning Unit Rear Bracket and side plate of the PCU have been modified. The
Belt Cleaning Assembly and Rear Bracket are both components of the PCU, however the new
assembly and rear bracket cannot be installed on previous PCU's.
NOTE: B: The modified PCU's are now secured with a tapping screw with washer, instead of a tapping
screw alone. This is to facilitate assembly on the production line as well as to further ensure that
the unit is not deformed when the fixing screws are tightened in place.
INSTALLATION PROCEDURE:
NOTE: If you install the modified PCU in a mass-production unit from August 2003 production, you do not
have to install this cam stopper.
1. Turn off the Main Switch.
2. Open the Front Cover.
3. Remove the old PCU.
CÓPIA NÃO CONTROLADA
OPC Reverse Interval
OPC Lubricant Time – Interrupt
Lubrication Cleaning Time
Lubricant Clutch OFF: 1C
Lubricant Clutch OFF: 2C/3C/4C
Image Area Rate: Bk
Description
DESCRIPTION
Photoconductor Unit
Belt cleaning Assembly
Rear Bracket – ITB Cleaning Unit
Charge Section Assembly
- Tapping Screw – M3X6
Tapping Screw With Washer - M3X8
PCU Cam Stopper
CÓPIA NÃO CONTROLADA
Description
QTY
Value
10
14
50
6
6
4.7
REFERENCE
INT PAGE ITEM
1 1 33 *
1 3 33 40
1 3 33 21
1 1 33 39
- 1 33 101
1 - 33 45 *
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