Ricoh D257 MPC6503SP

Symptom

Vertical streaks appear.

Condition

Scratches tend to stand out when printing on relatively stiff thick coated paper.

Cause

After fusing, paper comes into contact with small convex scratches or adhering toner on the guide plate and vertical streaks appear.

Action (overview)

1. If the problem occurs at the position of the ribs of the heat pipe entrance guide plate, clean the heat pipe entrance guide plate ribs.
2. If the problem occurs in other places, clean the paper transport path/duplex unit.
3. If cleaning does not improve the situation, lower the fusing temperature.

Action (detail 1): Clean the heat pipe entrance guide plate ribs.

Position of the heat pipe entrance guide plate ribs [A]

Action (detail 2): Clean the paper exit transport path/duplex unit.

• If streaks appear on straight-fed one-sided prints or the second side of two sided prints: (1) Clean the upper part of the Paper Exit transport path.
• If streaks appear on the first sides of two-sided prints: (2) Clean the lower part of the Paper Exit transport path.
• If streaks appear on inverted one-sided prints: (3) Clean the lower left part of the Paper Exit transport path.
• If streaks appear on the second side of two-sided prints: (4) Clean the duplex unit.

1. Upper part of the paper exit transport path
   [A]: Paper Exit Upper Guide Plate
2. Lower part of the paper exit transport path
   [A]: Fuser Exit Guide Plate
   [B]: Heat Pipe Entrance Guide Plate
   [C]: Paper Exit Junction Gate
   [D]: Transport Ribs (22 positions)
   [E]: Paper Exit Guide Plate (Clean this area thoroughly.)
3. Lower left part of the paper exit transport path
   [A]: Paper Exit Lower Left Guide Plate (Clean this area thoroughly.)
   [B]: Paper Exit Lower Right Guide Plate
   [C]: Junction Gate Ends
4. Duplex unit
   [A]: Duplex Transport guide plate (Upper) (Clean the turning point on the right thoroughly.)
   [B]: Duplex Transport guide plate (Lower)

Action (detail 3): Lower the fusing temperature.

Enter SP mode and lower the fusing temperature with SP1-984. (Guideline: Lower it 10° C at a time.)
• There is a risk of decreasing fusing ability. Be sure to check the printed results.

Pro/Office	SP No.	SP Name	Value
Pro/Office	SP1-984-109 to 254	Htg Roller Temp Setting	0 to 200

Pro/Office	No.	IMSS setting	Value
Pro	050	Fusing Temp	100 to 200